Init

.idea/03-gomaria.iml

+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file

.idea/dataSources.local.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="dataSourceStorageLocal">
+    <data-source name="@127.0.0.1" uuid="059233f9-7faf-415c-adca-dc0610950d33">
+      <database-info product="MySQL" version="8.0.13" jdbc-version="4.2" driver-name="MySQL Connector/J" driver-version="mysql-connector-java-8.0.15 (Revision: 79a4336f140499bd22dd07f02b708e163844e3d5)" dbms="MYSQL" exact-version="8.0.13" exact-driver-version="8.0">
+        <extra-name-characters>#@</extra-name-characters>
+        <identifier-quote-string>`</identifier-quote-string>
+      </database-info>
+      <case-sensitivity plain-identifiers="exact" quoted-identifiers="exact" />
+      <secret-storage>master_key</secret-storage>
+      <user-name>root</user-name>
+      <introspection-schemas>*:docker_test</introspection-schemas>
+    </data-source>
+  </component>
+</project>
\ No newline at end of file

.idea/dataSources.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="@127.0.0.1" uuid="059233f9-7faf-415c-adca-dc0610950d33">
+      <driver-ref>mysql.8</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>com.mysql.cj.jdbc.Driver</jdbc-driver>
+      <jdbc-url>jdbc:mysql://127.0.0.1:3306</jdbc-url>
+      <driver-properties>
+        <property name="autoReconnect" value="true" />
+        <property name="zeroDateTimeBehavior" value="CONVERT_TO_NULL" />
+        <property name="tinyInt1isBit" value="false" />
+        <property name="characterEncoding" value="utf8" />
+        <property name="characterSetResults" value="utf8" />
+        <property name="yearIsDateType" value="false" />
+      </driver-properties>
+    </data-source>
+  </component>
+</project>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+</project>
\ No newline at end of file

.idea/modules.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/03-gomaria.iml" filepath="$PROJECT_DIR$/.idea/03-gomaria.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file

Dockerfile

+# build stage
+FROM golang:1.12 as builder
+
+ENV GO111MODULE=on
+
+WORKDIR /app
+
+#COPY go.mod go.sum .
+
+#RUN go mod download
+
+COPY . .
+
+#RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -mod vendor -v -o go-docker101 -a -installsuffix cgo .
+
+# final stage
+FROM scratch
+
+WORKDIR /app
+
+COPY --from=builder /app/* /app/
+
+EXPOSE 5000
+
+ENTRYPOINT ["/app/go-docker101"]

feed.sql

+create table if not exists user
+(
+	id int auto_increment
+		primary key,
+	name varchar(50) charset utf8 null
+);
\ No newline at end of file

go.mod

+module github.com/anvari1313/go-docker101
+
+go 1.12
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/kr/pretty v0.1.0 // indirect
+	github.com/labstack/echo/v4 v4.1.10
+	golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472 // indirect
+	golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 // indirect
+	golang.org/x/sys v0.0.0-20190830142957-1e83adbbebd0 // indirect
+	golang.org/x/text v0.3.2 // indirect
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
+)

go.sum

+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/labstack/echo/v4 v4.1.10 h1:/yhIpO50CBInUbE/nHJtGIyhBv0dJe2cDAYxc3V3uMo=
+github.com/labstack/echo/v4 v4.1.10/go.mod h1:i541M3Fj6f76NZtHSj7TXnyM8n2gaodfvfxNnFqi74g=
+github.com/labstack/gommon v0.3.0 h1:JEeO0bvc78PKdyHxloTKiF8BD5iGrH8T6MSeGvSgob0=
+github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL7NoOu+k=
+github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
+github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
+github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mattn/go-isatty v0.0.9 h1:d5US/mDsogSGW37IV293h//ZFaeajb69h+EHFsv2xGg=
+github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2yME+cCiQ=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
+github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
+github.com/valyala/fasttemplate v1.0.1 h1:tY9CJiPnMXf1ERmG2EyK7gNUd+c6RKGD0IfU8WdUSz8=
+github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472 h1:Gv7RPwsi3eZ2Fgewe3CBsuOebPwO27PoXzRpJPsvSSM=
+golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 h1:k7pJ2yAPLPgbskkFdhRCsA77k2fySZ1zf2zCjvQCiIM=
+golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190830142957-1e83adbbebd0 h1:7z820YPX9pxWR59qM7BE5+fglp4D/mKqAwCvGt11b+8=
+golang.org/x/sys v0.0.0-20190830142957-1e83adbbebd0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

main.go

+package main
+
+import (
+	"net/http"
+
+	"github.com/labstack/echo/v4"
+)
+
+func main() {
+	e := echo.New()
+	e.GET("/", func(c echo.Context) error {
+		return c.String(http.StatusOK, "Hello, World!")
+	})
+	e.Logger.Fatal(e.Start(":1323"))
+}
\ No newline at end of file

vendor/github.com/labstack/echo/v4/.editorconfig

+# EditorConfig coding styles definitions. For more information about the
+# properties used in this file, please see the EditorConfig documentation:
+# http://editorconfig.org/
+
+# indicate this is the root of the project
+root = true
+
+[*]
+charset = utf-8
+
+end_of_line = LF
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+indent_style = space
+indent_size = 2
+
+[Makefile]
+indent_style = tab
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.go]
+indent_style = tab

vendor/github.com/labstack/echo/v4/.gitattributes

+# Automatically normalize line endings for all text-based files
+# http://git-scm.com/docs/gitattributes#_end_of_line_conversion
+* text=auto
+
+# For the following file types, normalize line endings to LF on checking and
+# prevent conversion to CRLF when they are checked out (this is required in
+# order to prevent newline related issues)
+.*      text eol=lf
+*.go    text eol=lf
+*.yml   text eol=lf
+*.html  text eol=lf
+*.css   text eol=lf
+*.js    text eol=lf
+*.json  text eol=lf
+LICENSE text eol=lf
+
+# Exclude `website` and `cookbook` from GitHub's language statistics
+# https://github.com/github/linguist#using-gitattributes
+cookbook/* linguist-documentation
+website/* linguist-documentation

vendor/github.com/labstack/echo/v4/.gitignore

+.DS_Store
+coverage.txt
+_test
+vendor
+.idea
+*.iml
+*.out

vendor/github.com/labstack/echo/v4/.travis.yml

+language: go
+go:
+  - 1.11.x
+  - 1.12.x
+  - tip
+env:
+  - GO111MODULE=on
+install:
+  - go get -v golang.org/x/lint/golint
+script:
+  - golint -set_exit_status ./...
+  - go test -race -coverprofile=coverage.txt -covermode=atomic ./...
+after_success:
+  - bash <(curl -s https://codecov.io/bash)
+matrix:
+  allow_failures:
+    - go: tip

vendor/github.com/labstack/echo/v4/LICENSE

+The MIT License (MIT)
+
+Copyright (c) 2017 LabStack
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/github.com/labstack/echo/v4/Makefile

+tag:
+	@git tag `grep -P '^\tversion = ' echo.go|cut -f2 -d'"'`
+	@git tag|grep -v ^v

vendor/github.com/labstack/echo/v4/README.md

+<a href="https://echo.labstack.com"><img height="80" src="https://cdn.labstack.com/images/echo-logo.svg"></a>
+
+[![Sourcegraph](https://sourcegraph.com/github.com/labstack/echo/-/badge.svg?style=flat-square)](https://sourcegraph.com/github.com/labstack/echo?badge)
+[![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](http://godoc.org/github.com/labstack/echo)
+[![Go Report Card](https://goreportcard.com/badge/github.com/labstack/echo?style=flat-square)](https://goreportcard.com/report/github.com/labstack/echo)
+[![Build Status](http://img.shields.io/travis/labstack/echo.svg?style=flat-square)](https://travis-ci.org/labstack/echo)
+[![Codecov](https://img.shields.io/codecov/c/github/labstack/echo.svg?style=flat-square)](https://codecov.io/gh/labstack/echo)
+[![Join the chat at https://gitter.im/labstack/echo](https://img.shields.io/badge/gitter-join%20chat-brightgreen.svg?style=flat-square)](https://gitter.im/labstack/echo)
+[![Forum](https://img.shields.io/badge/community-forum-00afd1.svg?style=flat-square)](https://forum.labstack.com)
+[![Twitter](https://img.shields.io/badge/twitter-@labstack-55acee.svg?style=flat-square)](https://twitter.com/labstack)
+[![License](http://img.shields.io/badge/license-mit-blue.svg?style=flat-square)](https://raw.githubusercontent.com/labstack/echo/master/LICENSE)
+
+## Supported Go versions
+
+As of version 4.0.0, Echo is available as a [Go module](https://github.com/golang/go/wiki/Modules).
+Therefore a Go version capable of understanding /vN suffixed imports is required:
+
+- 1.9.7+
+- 1.10.3+
+- 1.11+
+
+Any of these versions will allow you to import Echo as `github.com/labstack/echo/v4` which is the recommended
+way of using Echo going forward.
+
+For older versions, please use the latest v3 tag.
+
+## Feature Overview
+
+- Optimized HTTP router which smartly prioritize routes
+- Build robust and scalable RESTful APIs
+- Group APIs
+- Extensible middleware framework
+- Define middleware at root, group or route level
+- Data binding for JSON, XML and form payload
+- Handy functions to send variety of HTTP responses
+- Centralized HTTP error handling
+- Template rendering with any template engine
+- Define your format for the logger
+- Highly customizable
+- Automatic TLS via Let’s Encrypt
+- HTTP/2 support
+
+## Benchmarks
+
+Date: 2018/03/15<br>
+Source: https://github.com/vishr/web-framework-benchmark<br>
+Lower is better!
+
+<img src="https://i.imgur.com/I32VdMJ.png">
+
+## [Guide](https://echo.labstack.com/guide)
+
+### Example
+
+```go
+package main
+
+import (
+  "net/http"
+  "github.com/labstack/echo/v4"
+  "github.com/labstack/echo/v4/middleware"
+)
+
+func main() {
+  // Echo instance
+  e := echo.New()
+
+  // Middleware
+  e.Use(middleware.Logger())
+  e.Use(middleware.Recover())
+
+  // Routes
+  e.GET("/", hello)
+
+  // Start server
+  e.Logger.Fatal(e.Start(":1323"))
+}
+
+// Handler
+func hello(c echo.Context) error {
+  return c.String(http.StatusOK, "Hello, World!")
+}
+```
+
+## Help
+
+- [Forum](https://forum.labstack.com)
+- [Chat](https://gitter.im/labstack/echo)
+
+## Contribute
+
+**Use issues for everything**
+
+- For a small change, just send a PR.
+- For bigger changes open an issue for discussion before sending a PR.
+- PR should have:
+  - Test case
+  - Documentation
+  - Example (If it makes sense)
+- You can also contribute by:
+  - Reporting issues
+  - Suggesting new features or enhancements
+  - Improve/fix documentation
+
+## Credits
+
+- [Vishal Rana](https://github.com/vishr) - Author
+- [Nitin Rana](https://github.com/nr17) - Consultant
+- [Contributors](https://github.com/labstack/echo/graphs/contributors)
+
+## License
+
+[MIT](https://github.com/labstack/echo/blob/master/LICENSE)

vendor/github.com/labstack/echo/v4/bind.go

+package echo
+
+import (
+	"encoding"
+	"encoding/json"
+	"encoding/xml"
+	"errors"
+	"fmt"
+	"net/http"
+	"reflect"
+	"strconv"
+	"strings"
+)
+
+type (
+	// Binder is the interface that wraps the Bind method.
+	Binder interface {
+		Bind(i interface{}, c Context) error
+	}
+
+	// DefaultBinder is the default implementation of the Binder interface.
+	DefaultBinder struct{}
+
+	// BindUnmarshaler is the interface used to wrap the UnmarshalParam method.
+	// Types that don't implement this, but do implement encoding.TextUnmarshaler
+	// will use that interface instead.
+	BindUnmarshaler interface {
+		// UnmarshalParam decodes and assigns a value from an form or query param.
+		UnmarshalParam(param string) error
+	}
+)
+
+// Bind implements the `Binder#Bind` function.
+func (b *DefaultBinder) Bind(i interface{}, c Context) (err error) {
+	req := c.Request()
+
+	names := c.ParamNames()
+	values := c.ParamValues()
+	params := map[string][]string{}
+	for i, name := range names {
+		params[name] = []string{values[i]}
+	}
+	if err := b.bindData(i, params, "param"); err != nil {
+		return NewHTTPError(http.StatusBadRequest, err.Error()).SetInternal(err)
+	}
+
+	if req.ContentLength == 0 {
+		if req.Method == http.MethodGet || req.Method == http.MethodDelete {
+			if err = b.bindData(i, c.QueryParams(), "query"); err != nil {
+				return NewHTTPError(http.StatusBadRequest, err.Error()).SetInternal(err)
+			}
+			return
+		}
+		return NewHTTPError(http.StatusBadRequest, "Request body can't be empty")
+	}
+	ctype := req.Header.Get(HeaderContentType)
+	switch {
+	case strings.HasPrefix(ctype, MIMEApplicationJSON):
+		if err = json.NewDecoder(req.Body).Decode(i); err != nil {
+			if ute, ok := err.(*json.UnmarshalTypeError); ok {
+				return NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unmarshal type error: expected=%v, got=%v, field=%v, offset=%v", ute.Type, ute.Value, ute.Field, ute.Offset)).SetInternal(err)
+			} else if se, ok := err.(*json.SyntaxError); ok {
+				return NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Syntax error: offset=%v, error=%v", se.Offset, se.Error())).SetInternal(err)
+			}
+			return NewHTTPError(http.StatusBadRequest, err.Error()).SetInternal(err)
+		}
+	case strings.HasPrefix(ctype, MIMEApplicationXML), strings.HasPrefix(ctype, MIMETextXML):
+		if err = xml.NewDecoder(req.Body).Decode(i); err != nil {
+			if ute, ok := err.(*xml.UnsupportedTypeError); ok {
+				return NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Unsupported type error: type=%v, error=%v", ute.Type, ute.Error())).SetInternal(err)
+			} else if se, ok := err.(*xml.SyntaxError); ok {
+				return NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Syntax error: line=%v, error=%v", se.Line, se.Error())).SetInternal(err)
+			}
+			return NewHTTPError(http.StatusBadRequest, err.Error()).SetInternal(err)
+		}
+	case strings.HasPrefix(ctype, MIMEApplicationForm), strings.HasPrefix(ctype, MIMEMultipartForm):
+		params, err := c.FormParams()
+		if err != nil {
+			return NewHTTPError(http.StatusBadRequest, err.Error()).SetInternal(err)
+		}
+		if err = b.bindData(i, params, "form"); err != nil {
+			return NewHTTPError(http.StatusBadRequest, err.Error()).SetInternal(err)
+		}
+	default:
+		return ErrUnsupportedMediaType
+	}
+	return
+}
+
+func (b *DefaultBinder) bindData(ptr interface{}, data map[string][]string, tag string) error {
+	if ptr == nil || len(data) == 0 {
+		return nil
+	}
+	typ := reflect.TypeOf(ptr).Elem()
+	val := reflect.ValueOf(ptr).Elem()
+
+	if m, ok := ptr.(*map[string]interface{}); ok {
+		for k, v := range data {
+			(*m)[k] = v[0]
+		}
+		return nil
+	}
+
+	if typ.Kind() != reflect.Struct {
+		return errors.New("binding element must be a struct")
+	}
+
+	for i := 0; i < typ.NumField(); i++ {
+		typeField := typ.Field(i)
+		structField := val.Field(i)
+		if !structField.CanSet() {
+			continue
+		}
+		structFieldKind := structField.Kind()
+		inputFieldName := typeField.Tag.Get(tag)
+
+		if inputFieldName == "" {
+			inputFieldName = typeField.Name
+			// If tag is nil, we inspect if the field is a struct.
+			if _, ok := bindUnmarshaler(structField); !ok && structFieldKind == reflect.Struct {
+				if err := b.bindData(structField.Addr().Interface(), data, tag); err != nil {
+					return err
+				}
+				continue
+			}
+		}
+
+		inputValue, exists := data[inputFieldName]
+		if !exists {
+			// Go json.Unmarshal supports case insensitive binding.  However the
+			// url params are bound case sensitive which is inconsistent.  To
+			// fix this we must check all of the map values in a
+			// case-insensitive search.
+			inputFieldName = strings.ToLower(inputFieldName)
+			for k, v := range data {
+				if strings.ToLower(k) == inputFieldName {
+					inputValue = v
+					exists = true
+					break
+				}
+			}
+		}
+
+		if !exists {
+			continue
+		}
+
+		// Call this first, in case we're dealing with an alias to an array type
+		if ok, err := unmarshalField(typeField.Type.Kind(), inputValue[0], structField); ok {
+			if err != nil {
+				return err
+			}
+			continue
+		}
+
+		numElems := len(inputValue)
+		if structFieldKind == reflect.Slice && numElems > 0 {
+			sliceOf := structField.Type().Elem().Kind()
+			slice := reflect.MakeSlice(structField.Type(), numElems, numElems)
+			for j := 0; j < numElems; j++ {
+				if err := setWithProperType(sliceOf, inputValue[j], slice.Index(j)); err != nil {
+					return err
+				}
+			}
+			val.Field(i).Set(slice)
+		} else if err := setWithProperType(typeField.Type.Kind(), inputValue[0], structField); err != nil {
+			return err
+
+		}
+	}
+	return nil
+}
+
+func setWithProperType(valueKind reflect.Kind, val string, structField reflect.Value) error {
+	// But also call it here, in case we're dealing with an array of BindUnmarshalers
+	if ok, err := unmarshalField(valueKind, val, structField); ok {
+		return err
+	}
+
+	switch valueKind {
+	case reflect.Ptr:
+		return setWithProperType(structField.Elem().Kind(), val, structField.Elem())
+	case reflect.Int:
+		return setIntField(val, 0, structField)
+	case reflect.Int8:
+		return setIntField(val, 8, structField)
+	case reflect.Int16:
+		return setIntField(val, 16, structField)
+	case reflect.Int32:
+		return setIntField(val, 32, structField)
+	case reflect.Int64:
+		return setIntField(val, 64, structField)
+	case reflect.Uint:
+		return setUintField(val, 0, structField)
+	case reflect.Uint8:
+		return setUintField(val, 8, structField)
+	case reflect.Uint16:
+		return setUintField(val, 16, structField)
+	case reflect.Uint32:
+		return setUintField(val, 32, structField)
+	case reflect.Uint64:
+		return setUintField(val, 64, structField)
+	case reflect.Bool:
+		return setBoolField(val, structField)
+	case reflect.Float32:
+		return setFloatField(val, 32, structField)
+	case reflect.Float64:
+		return setFloatField(val, 64, structField)
+	case reflect.String:
+		structField.SetString(val)
+	default:
+		return errors.New("unknown type")
+	}
+	return nil
+}
+
+func unmarshalField(valueKind reflect.Kind, val string, field reflect.Value) (bool, error) {
+	switch valueKind {
+	case reflect.Ptr:
+		return unmarshalFieldPtr(val, field)
+	default:
+		return unmarshalFieldNonPtr(val, field)
+	}
+}
+
+// bindUnmarshaler attempts to unmarshal a reflect.Value into a BindUnmarshaler
+func bindUnmarshaler(field reflect.Value) (BindUnmarshaler, bool) {
+	ptr := reflect.New(field.Type())
+	if ptr.CanInterface() {
+		iface := ptr.Interface()
+		if unmarshaler, ok := iface.(BindUnmarshaler); ok {
+			return unmarshaler, ok
+		}
+	}
+	return nil, false
+}
+
+// textUnmarshaler attempts to unmarshal a reflect.Value into a TextUnmarshaler
+func textUnmarshaler(field reflect.Value) (encoding.TextUnmarshaler, bool) {
+	ptr := reflect.New(field.Type())
+	if ptr.CanInterface() {
+		iface := ptr.Interface()
+		if unmarshaler, ok := iface.(encoding.TextUnmarshaler); ok {
+			return unmarshaler, ok
+		}
+	}
+	return nil, false
+}
+
+func unmarshalFieldNonPtr(value string, field reflect.Value) (bool, error) {
+	if unmarshaler, ok := bindUnmarshaler(field); ok {
+		err := unmarshaler.UnmarshalParam(value)
+		field.Set(reflect.ValueOf(unmarshaler).Elem())
+		return true, err
+	}
+	if unmarshaler, ok := textUnmarshaler(field); ok {
+		err := unmarshaler.UnmarshalText([]byte(value))
+		field.Set(reflect.ValueOf(unmarshaler).Elem())
+		return true, err
+	}
+
+	return false, nil
+}
+
+func unmarshalFieldPtr(value string, field reflect.Value) (bool, error) {
+	if field.IsNil() {
+		// Initialize the pointer to a nil value
+		field.Set(reflect.New(field.Type().Elem()))
+	}
+	return unmarshalFieldNonPtr(value, field.Elem())
+}
+
+func setIntField(value string, bitSize int, field reflect.Value) error {
+	if value == "" {
+		value = "0"
+	}
+	intVal, err := strconv.ParseInt(value, 10, bitSize)
+	if err == nil {
+		field.SetInt(intVal)
+	}
+	return err
+}
+
+func setUintField(value string, bitSize int, field reflect.Value) error {
+	if value == "" {
+		value = "0"
+	}
+	uintVal, err := strconv.ParseUint(value, 10, bitSize)
+	if err == nil {
+		field.SetUint(uintVal)
+	}
+	return err
+}
+
+func setBoolField(value string, field reflect.Value) error {
+	if value == "" {
+		value = "false"
+	}
+	boolVal, err := strconv.ParseBool(value)
+	if err == nil {
+		field.SetBool(boolVal)
+	}
+	return err
+}
+
+func setFloatField(value string, bitSize int, field reflect.Value) error {
+	if value == "" {
+		value = "0.0"
+	}
+	floatVal, err := strconv.ParseFloat(value, bitSize)
+	if err == nil {
+		field.SetFloat(floatVal)
+	}
+	return err
+}

vendor/github.com/labstack/echo/v4/go.mod

+module github.com/labstack/echo/v4
+
+go 1.12
+
+require (
+	github.com/dgrijalva/jwt-go v3.2.0+incompatible
+	github.com/labstack/gommon v0.3.0
+	github.com/stretchr/testify v1.4.0
+	github.com/valyala/fasttemplate v1.0.1
+	golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4
+)

vendor/github.com/labstack/echo/v4/go.sum

+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
+github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/labstack/gommon v0.3.0 h1:JEeO0bvc78PKdyHxloTKiF8BD5iGrH8T6MSeGvSgob0=
+github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL7NoOu+k=
+github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
+github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
+github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mattn/go-isatty v0.0.9 h1:d5US/mDsogSGW37IV293h//ZFaeajb69h+EHFsv2xGg=
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+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
+github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
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+golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 h1:HuIa8hRrWRSrqYzx1qI49NNxhdi2PrY7gxVSq1JjLDc=
+golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

vendor/github.com/labstack/echo/v4/group.go

+package echo
+
+import (
+	"net/http"
+)
+
+type (
+	// Group is a set of sub-routes for a specified route. It can be used for inner
+	// routes that share a common middleware or functionality that should be separate
+	// from the parent echo instance while still inheriting from it.
+	Group struct {
+		common
+		host       string
+		prefix     string
+		middleware []MiddlewareFunc
+		echo       *Echo
+	}
+)
+
+// Use implements `Echo#Use()` for sub-routes within the Group.
+func (g *Group) Use(middleware ...MiddlewareFunc) {
+	g.middleware = append(g.middleware, middleware...)
+	if len(g.middleware) == 0 {
+		return
+	}
+	// Allow all requests to reach the group as they might get dropped if router
+	// doesn't find a match, making none of the group middleware process.
+	g.Any("", NotFoundHandler)
+	g.Any("/*", NotFoundHandler)
+}
+
+// CONNECT implements `Echo#CONNECT()` for sub-routes within the Group.
+func (g *Group) CONNECT(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
+	return g.Add(http.MethodConnect, path, h, m...)
+}
+
+// DELETE implements `Echo#DELETE()` for sub-routes within the Group.
+func (g *Group) DELETE(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
+	return g.Add(http.MethodDelete, path, h, m...)
+}
+
+// GET implements `Echo#GET()` for sub-routes within the Group.
+func (g *Group) GET(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
+	return g.Add(http.MethodGet, path, h, m...)
+}
+
+// HEAD implements `Echo#HEAD()` for sub-routes within the Group.
+func (g *Group) HEAD(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
+	return g.Add(http.MethodHead, path, h, m...)
+}
+
+// OPTIONS implements `Echo#OPTIONS()` for sub-routes within the Group.
+func (g *Group) OPTIONS(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
+	return g.Add(http.MethodOptions, path, h, m...)
+}
+
+// PATCH implements `Echo#PATCH()` for sub-routes within the Group.
+func (g *Group) PATCH(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
+	return g.Add(http.MethodPatch, path, h, m...)
+}
+
+// POST implements `Echo#POST()` for sub-routes within the Group.
+func (g *Group) POST(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
+	return g.Add(http.MethodPost, path, h, m...)
+}
+
+// PUT implements `Echo#PUT()` for sub-routes within the Group.
+func (g *Group) PUT(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
+	return g.Add(http.MethodPut, path, h, m...)
+}
+
+// TRACE implements `Echo#TRACE()` for sub-routes within the Group.
+func (g *Group) TRACE(path string, h HandlerFunc, m ...MiddlewareFunc) *Route {
+	return g.Add(http.MethodTrace, path, h, m...)
+}
+
+// Any implements `Echo#Any()` for sub-routes within the Group.
+func (g *Group) Any(path string, handler HandlerFunc, middleware ...MiddlewareFunc) []*Route {
+	routes := make([]*Route, len(methods))
+	for i, m := range methods {
+		routes[i] = g.Add(m, path, handler, middleware...)
+	}
+	return routes
+}
+
+// Match implements `Echo#Match()` for sub-routes within the Group.
+func (g *Group) Match(methods []string, path string, handler HandlerFunc, middleware ...MiddlewareFunc) []*Route {
+	routes := make([]*Route, len(methods))
+	for i, m := range methods {
+		routes[i] = g.Add(m, path, handler, middleware...)
+	}
+	return routes
+}
+
+// Group creates a new sub-group with prefix and optional sub-group-level middleware.
+func (g *Group) Group(prefix string, middleware ...MiddlewareFunc) (sg *Group) {
+	m := make([]MiddlewareFunc, 0, len(g.middleware)+len(middleware))
+	m = append(m, g.middleware...)
+	m = append(m, middleware...)
+	sg = g.echo.Group(g.prefix+prefix, m...)
+	sg.host = g.host
+	return
+}
+
+// Static implements `Echo#Static()` for sub-routes within the Group.
+func (g *Group) Static(prefix, root string) {
+	g.static(prefix, root, g.GET)
+}
+
+// File implements `Echo#File()` for sub-routes within the Group.
+func (g *Group) File(path, file string) {
+	g.file(g.prefix+path, file, g.GET)
+}
+
+// Add implements `Echo#Add()` for sub-routes within the Group.
+func (g *Group) Add(method, path string, handler HandlerFunc, middleware ...MiddlewareFunc) *Route {
+	// Combine into a new slice to avoid accidentally passing the same slice for
+	// multiple routes, which would lead to later add() calls overwriting the
+	// middleware from earlier calls.
+	m := make([]MiddlewareFunc, 0, len(g.middleware)+len(middleware))
+	m = append(m, g.middleware...)
+	m = append(m, middleware...)
+	return g.echo.add(g.host, method, g.prefix+path, handler, m...)
+}

vendor/github.com/labstack/echo/v4/log.go

+package echo
+
+import (
+	"io"
+
+	"github.com/labstack/gommon/log"
+)
+
+type (
+	// Logger defines the logging interface.
+	Logger interface {
+		Output() io.Writer
+		SetOutput(w io.Writer)
+		Prefix() string
+		SetPrefix(p string)
+		Level() log.Lvl
+		SetLevel(v log.Lvl)
+		SetHeader(h string)
+		Print(i ...interface{})
+		Printf(format string, args ...interface{})
+		Printj(j log.JSON)
+		Debug(i ...interface{})
+		Debugf(format string, args ...interface{})
+		Debugj(j log.JSON)
+		Info(i ...interface{})
+		Infof(format string, args ...interface{})
+		Infoj(j log.JSON)
+		Warn(i ...interface{})
+		Warnf(format string, args ...interface{})
+		Warnj(j log.JSON)
+		Error(i ...interface{})
+		Errorf(format string, args ...interface{})
+		Errorj(j log.JSON)
+		Fatal(i ...interface{})
+		Fatalj(j log.JSON)
+		Fatalf(format string, args ...interface{})
+		Panic(i ...interface{})
+		Panicj(j log.JSON)
+		Panicf(format string, args ...interface{})
+	}
+)

vendor/github.com/labstack/echo/v4/response.go

+package echo
+
+import (
+	"bufio"
+	"net"
+	"net/http"
+)
+
+type (
+	// Response wraps an http.ResponseWriter and implements its interface to be used
+	// by an HTTP handler to construct an HTTP response.
+	// See: https://golang.org/pkg/net/http/#ResponseWriter
+	Response struct {
+		echo        *Echo
+		beforeFuncs []func()
+		afterFuncs  []func()
+		Writer      http.ResponseWriter
+		Status      int
+		Size        int64
+		Committed   bool
+	}
+)
+
+// NewResponse creates a new instance of Response.
+func NewResponse(w http.ResponseWriter, e *Echo) (r *Response) {
+	return &Response{Writer: w, echo: e}
+}
+
+// Header returns the header map for the writer that will be sent by
+// WriteHeader. Changing the header after a call to WriteHeader (or Write) has
+// no effect unless the modified headers were declared as trailers by setting
+// the "Trailer" header before the call to WriteHeader (see example)
+// To suppress implicit response headers, set their value to nil.
+// Example: https://golang.org/pkg/net/http/#example_ResponseWriter_trailers
+func (r *Response) Header() http.Header {
+	return r.Writer.Header()
+}
+
+// Before registers a function which is called just before the response is written.
+func (r *Response) Before(fn func()) {
+	r.beforeFuncs = append(r.beforeFuncs, fn)
+}
+
+// After registers a function which is called just after the response is written.
+// If the `Content-Length` is unknown, none of the after function is executed.
+func (r *Response) After(fn func()) {
+	r.afterFuncs = append(r.afterFuncs, fn)
+}
+
+// WriteHeader sends an HTTP response header with status code. If WriteHeader is
+// not called explicitly, the first call to Write will trigger an implicit
+// WriteHeader(http.StatusOK). Thus explicit calls to WriteHeader are mainly
+// used to send error codes.
+func (r *Response) WriteHeader(code int) {
+	if r.Committed {
+		r.echo.Logger.Warn("response already committed")
+		return
+	}
+	for _, fn := range r.beforeFuncs {
+		fn()
+	}
+	r.Status = code
+	r.Writer.WriteHeader(code)
+	r.Committed = true
+}
+
+// Write writes the data to the connection as part of an HTTP reply.
+func (r *Response) Write(b []byte) (n int, err error) {
+	if !r.Committed {
+		if r.Status == 0 {
+			r.Status = http.StatusOK
+		}
+		r.WriteHeader(r.Status)
+	}
+	n, err = r.Writer.Write(b)
+	r.Size += int64(n)
+	for _, fn := range r.afterFuncs {
+		fn()
+	}
+	return
+}
+
+// Flush implements the http.Flusher interface to allow an HTTP handler to flush
+// buffered data to the client.
+// See [http.Flusher](https://golang.org/pkg/net/http/#Flusher)
+func (r *Response) Flush() {
+	r.Writer.(http.Flusher).Flush()
+}
+
+// Hijack implements the http.Hijacker interface to allow an HTTP handler to
+// take over the connection.
+// See [http.Hijacker](https://golang.org/pkg/net/http/#Hijacker)
+func (r *Response) Hijack() (net.Conn, *bufio.ReadWriter, error) {
+	return r.Writer.(http.Hijacker).Hijack()
+}
+
+func (r *Response) reset(w http.ResponseWriter) {
+	r.beforeFuncs = nil
+	r.afterFuncs = nil
+	r.Writer = w
+	r.Size = 0
+	r.Status = http.StatusOK
+	r.Committed = false
+}

vendor/github.com/labstack/echo/v4/router.go

+package echo
+
+import "net/http"
+
+type (
+	// Router is the registry of all registered routes for an `Echo` instance for
+	// request matching and URL path parameter parsing.
+	Router struct {
+		tree   *node
+		routes map[string]*Route
+		echo   *Echo
+	}
+	node struct {
+		kind          kind
+		label         byte
+		prefix        string
+		parent        *node
+		children      children
+		ppath         string
+		pnames        []string
+		methodHandler *methodHandler
+	}
+	kind uint8
+	children []*node
+	methodHandler struct {
+		connect  HandlerFunc
+		delete   HandlerFunc
+		get      HandlerFunc
+		head     HandlerFunc
+		options  HandlerFunc
+		patch    HandlerFunc
+		post     HandlerFunc
+		propfind HandlerFunc
+		put      HandlerFunc
+		trace    HandlerFunc
+		report   HandlerFunc
+	}
+)
+
+const (
+	skind kind = iota
+	pkind
+	akind
+)
+
+// NewRouter returns a new Router instance.
+func NewRouter(e *Echo) *Router {
+	return &Router{
+		tree: &node{
+			methodHandler: new(methodHandler),
+		},
+		routes: map[string]*Route{},
+		echo:   e,
+	}
+}
+
+// Add registers a new route for method and path with matching handler.
+func (r *Router) Add(method, path string, h HandlerFunc) {
+	// Validate path
+	if path == "" {
+		path = "/"
+	}
+	if path[0] != '/' {
+		path = "/" + path
+	}
+	pnames := []string{} // Param names
+	ppath := path        // Pristine path
+
+	for i, l := 0, len(path); i < l; i++ {
+		if path[i] == ':' {
+			j := i + 1
+
+			r.insert(method, path[:i], nil, skind, "", nil)
+			for ; i < l && path[i] != '/'; i++ {
+			}
+
+			pnames = append(pnames, path[j:i])
+			path = path[:j] + path[i:]
+			i, l = j, len(path)
+
+			if i == l {
+				r.insert(method, path[:i], h, pkind, ppath, pnames)
+			} else {
+				r.insert(method, path[:i], nil, pkind, "", nil)
+			}
+		} else if path[i] == '*' {
+			r.insert(method, path[:i], nil, skind, "", nil)
+			pnames = append(pnames, "*")
+			r.insert(method, path[:i+1], h, akind, ppath, pnames)
+		}
+	}
+
+	r.insert(method, path, h, skind, ppath, pnames)
+}
+
+func (r *Router) insert(method, path string, h HandlerFunc, t kind, ppath string, pnames []string) {
+	// Adjust max param
+	l := len(pnames)
+	if *r.echo.maxParam < l {
+		*r.echo.maxParam = l
+	}
+
+	cn := r.tree // Current node as root
+	if cn == nil {
+		panic("echo: invalid method")
+	}
+	search := path
+
+	for {
+		sl := len(search)
+		pl := len(cn.prefix)
+		l := 0
+
+		// LCP
+		max := pl
+		if sl < max {
+			max = sl
+		}
+		for ; l < max && search[l] == cn.prefix[l]; l++ {
+		}
+
+		if l == 0 {
+			// At root node
+			cn.label = search[0]
+			cn.prefix = search
+			if h != nil {
+				cn.kind = t
+				cn.addHandler(method, h)
+				cn.ppath = ppath
+				cn.pnames = pnames
+			}
+		} else if l < pl {
+			// Split node
+			n := newNode(cn.kind, cn.prefix[l:], cn, cn.children, cn.methodHandler, cn.ppath, cn.pnames)
+
+			// Reset parent node
+			cn.kind = skind
+			cn.label = cn.prefix[0]
+			cn.prefix = cn.prefix[:l]
+			cn.children = nil
+			cn.methodHandler = new(methodHandler)
+			cn.ppath = ""
+			cn.pnames = nil
+
+			cn.addChild(n)
+
+			if l == sl {
+				// At parent node
+				cn.kind = t
+				cn.addHandler(method, h)
+				cn.ppath = ppath
+				cn.pnames = pnames
+			} else {
+				// Create child node
+				n = newNode(t, search[l:], cn, nil, new(methodHandler), ppath, pnames)
+				n.addHandler(method, h)
+				cn.addChild(n)
+			}
+		} else if l < sl {
+			search = search[l:]
+			c := cn.findChildWithLabel(search[0])
+			if c != nil {
+				// Go deeper
+				cn = c
+				continue
+			}
+			// Create child node
+			n := newNode(t, search, cn, nil, new(methodHandler), ppath, pnames)
+			n.addHandler(method, h)
+			cn.addChild(n)
+		} else {
+			// Node already exists
+			if h != nil {
+				cn.addHandler(method, h)
+				cn.ppath = ppath
+				if len(cn.pnames) == 0 { // Issue #729
+					cn.pnames = pnames
+				}
+			}
+		}
+		return
+	}
+}
+
+func newNode(t kind, pre string, p *node, c children, mh *methodHandler, ppath string, pnames []string) *node {
+	return &node{
+		kind:          t,
+		label:         pre[0],
+		prefix:        pre,
+		parent:        p,
+		children:      c,
+		ppath:         ppath,
+		pnames:        pnames,
+		methodHandler: mh,
+	}
+}
+
+func (n *node) addChild(c *node) {
+	n.children = append(n.children, c)
+}
+
+func (n *node) findChild(l byte, t kind) *node {
+	for _, c := range n.children {
+		if c.label == l && c.kind == t {
+			return c
+		}
+	}
+	return nil
+}
+
+func (n *node) findChildWithLabel(l byte) *node {
+	for _, c := range n.children {
+		if c.label == l {
+			return c
+		}
+	}
+	return nil
+}
+
+func (n *node) findChildByKind(t kind) *node {
+	for _, c := range n.children {
+		if c.kind == t {
+			return c
+		}
+	}
+	return nil
+}
+
+func (n *node) addHandler(method string, h HandlerFunc) {
+	switch method {
+	case http.MethodConnect:
+		n.methodHandler.connect = h
+	case http.MethodDelete:
+		n.methodHandler.delete = h
+	case http.MethodGet:
+		n.methodHandler.get = h
+	case http.MethodHead:
+		n.methodHandler.head = h
+	case http.MethodOptions:
+		n.methodHandler.options = h
+	case http.MethodPatch:
+		n.methodHandler.patch = h
+	case http.MethodPost:
+		n.methodHandler.post = h
+	case PROPFIND:
+		n.methodHandler.propfind = h
+	case http.MethodPut:
+		n.methodHandler.put = h
+	case http.MethodTrace:
+		n.methodHandler.trace = h
+	case REPORT:
+		n.methodHandler.report = h
+	}
+}
+
+func (n *node) findHandler(method string) HandlerFunc {
+	switch method {
+	case http.MethodConnect:
+		return n.methodHandler.connect
+	case http.MethodDelete:
+		return n.methodHandler.delete
+	case http.MethodGet:
+		return n.methodHandler.get
+	case http.MethodHead:
+		return n.methodHandler.head
+	case http.MethodOptions:
+		return n.methodHandler.options
+	case http.MethodPatch:
+		return n.methodHandler.patch
+	case http.MethodPost:
+		return n.methodHandler.post
+	case PROPFIND:
+		return n.methodHandler.propfind
+	case http.MethodPut:
+		return n.methodHandler.put
+	case http.MethodTrace:
+		return n.methodHandler.trace
+	case REPORT:
+		return n.methodHandler.report
+	default:
+		return nil
+	}
+}
+
+func (n *node) checkMethodNotAllowed() HandlerFunc {
+	for _, m := range methods {
+		if h := n.findHandler(m); h != nil {
+			return MethodNotAllowedHandler
+		}
+	}
+	return NotFoundHandler
+}
+
+// Find lookup a handler registered for method and path. It also parses URL for path
+// parameters and load them into context.
+//
+// For performance:
+//
+// - Get context from `Echo#AcquireContext()`
+// - Reset it `Context#Reset()`
+// - Return it `Echo#ReleaseContext()`.
+func (r *Router) Find(method, path string, c Context) {
+	ctx := c.(*context)
+	ctx.path = path
+	cn := r.tree // Current node as root
+
+	var (
+		search  = path
+		child   *node         // Child node
+		n       int           // Param counter
+		nk      kind          // Next kind
+		nn      *node         // Next node
+		ns      string        // Next search
+		pvalues = ctx.pvalues // Use the internal slice so the interface can keep the illusion of a dynamic slice
+	)
+
+	// Search order static > param > any
+	for {
+		if search == "" {
+			break
+		}
+
+		pl := 0 // Prefix length
+		l := 0  // LCP length
+
+		if cn.label != ':' {
+			sl := len(search)
+			pl = len(cn.prefix)
+
+			// LCP
+			max := pl
+			if sl < max {
+				max = sl
+			}
+			for ; l < max && search[l] == cn.prefix[l]; l++ {
+			}
+		}
+
+
+		if l == pl {
+			// Continue search
+			search = search[l:]
+		} else {
+			if nn == nil { // Issue #1348
+				return // Not found
+			}
+			cn = nn
+			search = ns
+			if nk == pkind {
+				goto Param
+			} else if nk == akind {
+				goto Any
+			}
+		}
+
+		if search == "" {
+			break
+		}
+
+		// Static node
+		if child = cn.findChild(search[0], skind); child != nil {
+			// Save next
+			if cn.prefix[len(cn.prefix)-1] == '/' { // Issue #623
+				nk = pkind
+				nn = cn
+				ns = search
+			}
+			cn = child
+			continue
+		}
+
+		// Param node
+	Param:
+		if child = cn.findChildByKind(pkind); child != nil {
+			// Issue #378
+			if len(pvalues) == n {
+				continue
+			}
+
+			// Save next
+			if cn.prefix[len(cn.prefix)-1] == '/' { // Issue #623
+				nk = akind
+				nn = cn
+				ns = search
+			}
+
+			cn = child
+			i, l := 0, len(search)
+			for ; i < l && search[i] != '/'; i++ {
+			}
+			pvalues[n] = search[:i]
+			n++
+			search = search[i:]
+			continue
+		}
+
+		// Any node
+	Any:
+		if cn = cn.findChildByKind(akind); cn == nil {
+			if nn != nil {
+				cn = nn
+				nn = cn.parent // Next (Issue #954)
+				if nn != nil {
+					nk = nn.kind
+				}
+				search = ns
+				if nk == pkind {
+					goto Param
+				} else if nk == akind {
+					goto Any
+				}
+			}
+			return // Not found
+		}
+		pvalues[len(cn.pnames)-1] = search
+		break
+	}
+
+	ctx.handler = cn.findHandler(method)
+	ctx.path = cn.ppath
+	ctx.pnames = cn.pnames
+
+	// NOTE: Slow zone...
+	if ctx.handler == nil {
+		ctx.handler = cn.checkMethodNotAllowed()
+
+		// Dig further for any, might have an empty value for *, e.g.
+		// serving a directory. Issue #207.
+		if cn = cn.findChildByKind(akind); cn == nil {
+			return
+		}
+		if h := cn.findHandler(method); h != nil {
+			ctx.handler = h
+		} else {
+			ctx.handler = cn.checkMethodNotAllowed()
+		}
+		ctx.path = cn.ppath
+		ctx.pnames = cn.pnames
+		pvalues[len(cn.pnames)-1] = ""
+	}
+
+	return
+}

vendor/github.com/labstack/gommon/LICENSE

+The MIT License (MIT)
+
+Copyright (c) 2018 labstack
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

vendor/github.com/labstack/gommon/color/README.md

+# Color
+
+Style terminal text.
+
+## Installation
+
+```sh
+go get github.com/labstack/gommon/color
+```
+
+## Windows?
+
+Try [cmder](http://bliker.github.io/cmder) or https://github.com/mattn/go-colorable
+
+## [Usage](https://github.com/labstack/gommon/blob/master/color/color_test.go)
+
+```sh
+import github.com/labstack/gommon/color
+```
+
+### Colored text
+
+```go
+color.Println(color.Black("black"))
+color.Println(color.Red("red"))
+color.Println(color.Green("green"))
+color.Println(color.Yellow("yellow"))
+color.Println(color.Blue("blue"))
+color.Println(color.Magenta("magenta"))
+color.Println(color.Cyan("cyan"))
+color.Println(color.White("white"))
+color.Println(color.Grey("grey"))
+```
+![Colored Text](http://i.imgur.com/8RtY1QR.png)
+
+### Colored background
+
+```go
+color.Println(color.BlackBg("black background", color.Wht))
+color.Println(color.RedBg("red background"))
+color.Println(color.GreenBg("green background"))
+color.Println(color.YellowBg("yellow background"))
+color.Println(color.BlueBg("blue background"))
+color.Println(color.MagentaBg("magenta background"))
+color.Println(color.CyanBg("cyan background"))
+color.Println(color.WhiteBg("white background"))
+```
+![Colored Background](http://i.imgur.com/SrrS6lw.png)
+
+### Emphasis
+
+```go
+color.Println(color.Bold("bold"))
+color.Println(color.Dim("dim"))
+color.Println(color.Italic("italic"))
+color.Println(color.Underline("underline"))
+color.Println(color.Inverse("inverse"))
+color.Println(color.Hidden("hidden"))
+color.Println(color.Strikeout("strikeout"))
+```
+![Emphasis](http://i.imgur.com/3RSJBbc.png)
+
+### Mix and match
+
+```go
+color.Println(color.Green("bold green with white background", color.B, color.WhtBg))
+color.Println(color.Red("underline red", color.U))
+color.Println(color.Yellow("dim yellow", color.D))
+color.Println(color.Cyan("inverse cyan", color.In))
+color.Println(color.Blue("bold underline dim blue", color.B, color.U, color.D))
+```
+![Mix and match](http://i.imgur.com/jWGq9Ca.png)
+
+### Enable/Disable the package
+
+```go
+color.Disable()
+color.Enable()
+```
+
+### New instance
+
+```go
+c := New()
+c.Green("green")
+```

vendor/github.com/labstack/gommon/color/color.go

+package color
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/mattn/go-colorable"
+	"github.com/mattn/go-isatty"
+)
+
+type (
+	inner func(interface{}, []string, *Color) string
+)
+
+// Color styles
+const (
+	// Blk Black text style
+	Blk = "30"
+	// Rd red text style
+	Rd = "31"
+	// Grn green text style
+	Grn = "32"
+	// Yel yellow text style
+	Yel = "33"
+	// Blu blue text style
+	Blu = "34"
+	// Mgn magenta text style
+	Mgn = "35"
+	// Cyn cyan text style
+	Cyn = "36"
+	// Wht white text style
+	Wht = "37"
+	// Gry grey text style
+	Gry = "90"
+
+	// BlkBg black background style
+	BlkBg = "40"
+	// RdBg red background style
+	RdBg = "41"
+	// GrnBg green background style
+	GrnBg = "42"
+	// YelBg yellow background style
+	YelBg = "43"
+	// BluBg blue background style
+	BluBg = "44"
+	// MgnBg magenta background style
+	MgnBg = "45"
+	// CynBg cyan background style
+	CynBg = "46"
+	// WhtBg white background style
+	WhtBg = "47"
+
+	// R reset emphasis style
+	R = "0"
+	// B bold emphasis style
+	B = "1"
+	// D dim emphasis style
+	D = "2"
+	// I italic emphasis style
+	I = "3"
+	// U underline emphasis style
+	U = "4"
+	// In inverse emphasis style
+	In = "7"
+	// H hidden emphasis style
+	H = "8"
+	// S strikeout emphasis style
+	S = "9"
+)
+
+var (
+	black   = outer(Blk)
+	red     = outer(Rd)
+	green   = outer(Grn)
+	yellow  = outer(Yel)
+	blue    = outer(Blu)
+	magenta = outer(Mgn)
+	cyan    = outer(Cyn)
+	white   = outer(Wht)
+	grey    = outer(Gry)
+
+	blackBg   = outer(BlkBg)
+	redBg     = outer(RdBg)
+	greenBg   = outer(GrnBg)
+	yellowBg  = outer(YelBg)
+	blueBg    = outer(BluBg)
+	magentaBg = outer(MgnBg)
+	cyanBg    = outer(CynBg)
+	whiteBg   = outer(WhtBg)
+
+	reset     = outer(R)
+	bold      = outer(B)
+	dim       = outer(D)
+	italic    = outer(I)
+	underline = outer(U)
+	inverse   = outer(In)
+	hidden    = outer(H)
+	strikeout = outer(S)
+
+	global = New()
+)
+
+func outer(n string) inner {
+	return func(msg interface{}, styles []string, c *Color) string {
+		// TODO: Drop fmt to boost performance?
+		if c.disabled {
+			return fmt.Sprintf("%v", msg)
+		}
+
+		b := new(bytes.Buffer)
+		b.WriteString("\x1b[")
+		b.WriteString(n)
+		for _, s := range styles {
+			b.WriteString(";")
+			b.WriteString(s)
+		}
+		b.WriteString("m")
+		return fmt.Sprintf("%s%v\x1b[0m", b.String(), msg)
+	}
+}
+
+type (
+	Color struct {
+		output   io.Writer
+		disabled bool
+	}
+)
+
+// New creates a Color instance.
+func New() (c *Color) {
+	c = new(Color)
+	c.SetOutput(colorable.NewColorableStdout())
+	return
+}
+
+// Output returns the output.
+func (c *Color) Output() io.Writer {
+	return c.output
+}
+
+// SetOutput sets the output.
+func (c *Color) SetOutput(w io.Writer) {
+	c.output = w
+	if w, ok := w.(*os.File); !ok || !isatty.IsTerminal(w.Fd()) {
+		c.disabled = true
+	}
+}
+
+// Disable disables the colors and styles.
+func (c *Color) Disable() {
+	c.disabled = true
+}
+
+// Enable enables the colors and styles.
+func (c *Color) Enable() {
+	c.disabled = false
+}
+
+// Print is analogous to `fmt.Print` with termial detection.
+func (c *Color) Print(args ...interface{}) {
+	fmt.Fprint(c.output, args...)
+}
+
+// Println is analogous to `fmt.Println` with termial detection.
+func (c *Color) Println(args ...interface{}) {
+	fmt.Fprintln(c.output, args...)
+}
+
+// Printf is analogous to `fmt.Printf` with termial detection.
+func (c *Color) Printf(format string, args ...interface{}) {
+	fmt.Fprintf(c.output, format, args...)
+}
+
+func (c *Color) Black(msg interface{}, styles ...string) string {
+	return black(msg, styles, c)
+}
+
+func (c *Color) Red(msg interface{}, styles ...string) string {
+	return red(msg, styles, c)
+}
+
+func (c *Color) Green(msg interface{}, styles ...string) string {
+	return green(msg, styles, c)
+}
+
+func (c *Color) Yellow(msg interface{}, styles ...string) string {
+	return yellow(msg, styles, c)
+}
+
+func (c *Color) Blue(msg interface{}, styles ...string) string {
+	return blue(msg, styles, c)
+}
+
+func (c *Color) Magenta(msg interface{}, styles ...string) string {
+	return magenta(msg, styles, c)
+}
+
+func (c *Color) Cyan(msg interface{}, styles ...string) string {
+	return cyan(msg, styles, c)
+}
+
+func (c *Color) White(msg interface{}, styles ...string) string {
+	return white(msg, styles, c)
+}
+
+func (c *Color) Grey(msg interface{}, styles ...string) string {
+	return grey(msg, styles, c)
+}
+
+func (c *Color) BlackBg(msg interface{}, styles ...string) string {
+	return blackBg(msg, styles, c)
+}
+
+func (c *Color) RedBg(msg interface{}, styles ...string) string {
+	return redBg(msg, styles, c)
+}
+
+func (c *Color) GreenBg(msg interface{}, styles ...string) string {
+	return greenBg(msg, styles, c)
+}
+
+func (c *Color) YellowBg(msg interface{}, styles ...string) string {
+	return yellowBg(msg, styles, c)
+}
+
+func (c *Color) BlueBg(msg interface{}, styles ...string) string {
+	return blueBg(msg, styles, c)
+}
+
+func (c *Color) MagentaBg(msg interface{}, styles ...string) string {
+	return magentaBg(msg, styles, c)
+}
+
+func (c *Color) CyanBg(msg interface{}, styles ...string) string {
+	return cyanBg(msg, styles, c)
+}
+
+func (c *Color) WhiteBg(msg interface{}, styles ...string) string {
+	return whiteBg(msg, styles, c)
+}
+
+func (c *Color) Reset(msg interface{}, styles ...string) string {
+	return reset(msg, styles, c)
+}
+
+func (c *Color) Bold(msg interface{}, styles ...string) string {
+	return bold(msg, styles, c)
+}
+
+func (c *Color) Dim(msg interface{}, styles ...string) string {
+	return dim(msg, styles, c)
+}
+
+func (c *Color) Italic(msg interface{}, styles ...string) string {
+	return italic(msg, styles, c)
+}
+
+func (c *Color) Underline(msg interface{}, styles ...string) string {
+	return underline(msg, styles, c)
+}
+
+func (c *Color) Inverse(msg interface{}, styles ...string) string {
+	return inverse(msg, styles, c)
+}
+
+func (c *Color) Hidden(msg interface{}, styles ...string) string {
+	return hidden(msg, styles, c)
+}
+
+func (c *Color) Strikeout(msg interface{}, styles ...string) string {
+	return strikeout(msg, styles, c)
+}
+
+// Output returns the output.
+func Output() io.Writer {
+	return global.output
+}
+
+// SetOutput sets the output.
+func SetOutput(w io.Writer) {
+	global.SetOutput(w)
+}
+
+func Disable() {
+	global.Disable()
+}
+
+func Enable() {
+	global.Enable()
+}
+
+// Print is analogous to `fmt.Print` with termial detection.
+func Print(args ...interface{}) {
+	global.Print(args...)
+}
+
+// Println is analogous to `fmt.Println` with termial detection.
+func Println(args ...interface{}) {
+	global.Println(args...)
+}
+
+// Printf is analogous to `fmt.Printf` with termial detection.
+func Printf(format string, args ...interface{}) {
+	global.Printf(format, args...)
+}
+
+func Black(msg interface{}, styles ...string) string {
+	return global.Black(msg, styles...)
+}
+
+func Red(msg interface{}, styles ...string) string {
+	return global.Red(msg, styles...)
+}
+
+func Green(msg interface{}, styles ...string) string {
+	return global.Green(msg, styles...)
+}
+
+func Yellow(msg interface{}, styles ...string) string {
+	return global.Yellow(msg, styles...)
+}
+
+func Blue(msg interface{}, styles ...string) string {
+	return global.Blue(msg, styles...)
+}
+
+func Magenta(msg interface{}, styles ...string) string {
+	return global.Magenta(msg, styles...)
+}
+
+func Cyan(msg interface{}, styles ...string) string {
+	return global.Cyan(msg, styles...)
+}
+
+func White(msg interface{}, styles ...string) string {
+	return global.White(msg, styles...)
+}
+
+func Grey(msg interface{}, styles ...string) string {
+	return global.Grey(msg, styles...)
+}
+
+func BlackBg(msg interface{}, styles ...string) string {
+	return global.BlackBg(msg, styles...)
+}
+
+func RedBg(msg interface{}, styles ...string) string {
+	return global.RedBg(msg, styles...)
+}
+
+func GreenBg(msg interface{}, styles ...string) string {
+	return global.GreenBg(msg, styles...)
+}
+
+func YellowBg(msg interface{}, styles ...string) string {
+	return global.YellowBg(msg, styles...)
+}
+
+func BlueBg(msg interface{}, styles ...string) string {
+	return global.BlueBg(msg, styles...)
+}
+
+func MagentaBg(msg interface{}, styles ...string) string {
+	return global.MagentaBg(msg, styles...)
+}
+
+func CyanBg(msg interface{}, styles ...string) string {
+	return global.CyanBg(msg, styles...)
+}
+
+func WhiteBg(msg interface{}, styles ...string) string {
+	return global.WhiteBg(msg, styles...)
+}
+
+func Reset(msg interface{}, styles ...string) string {
+	return global.Reset(msg, styles...)
+}
+
+func Bold(msg interface{}, styles ...string) string {
+	return global.Bold(msg, styles...)
+}
+
+func Dim(msg interface{}, styles ...string) string {
+	return global.Dim(msg, styles...)
+}
+
+func Italic(msg interface{}, styles ...string) string {
+	return global.Italic(msg, styles...)
+}
+
+func Underline(msg interface{}, styles ...string) string {
+	return global.Underline(msg, styles...)
+}
+
+func Inverse(msg interface{}, styles ...string) string {
+	return global.Inverse(msg, styles...)
+}
+
+func Hidden(msg interface{}, styles ...string) string {
+	return global.Hidden(msg, styles...)
+}
+
+func Strikeout(msg interface{}, styles ...string) string {
+	return global.Strikeout(msg, styles...)
+}

vendor/github.com/labstack/gommon/log/README.md

+## WORK IN PROGRESS
+
+### Usage
+
+[log_test.go](log_test.go)

vendor/github.com/labstack/gommon/log/color.go

+// +build !appengine
+
+package log
+
+import (
+	"io"
+
+	"github.com/mattn/go-colorable"
+)
+
+func output() io.Writer {
+	return colorable.NewColorableStdout()
+}

vendor/github.com/labstack/gommon/log/white.go

+// +build appengine
+
+package log
+
+import (
+	"io"
+	"os"
+)
+
+func output() io.Writer {
+	return os.Stdout
+}

vendor/github.com/mattn/go-colorable/.travis.yml

+language: go
+go:
+  - tip
+
+before_install:
+  - go get github.com/mattn/goveralls
+  - go get golang.org/x/tools/cmd/cover
+script:
+  - $HOME/gopath/bin/goveralls -repotoken xnXqRGwgW3SXIguzxf90ZSK1GPYZPaGrw

vendor/github.com/mattn/go-colorable/LICENSE

+The MIT License (MIT)
+
+Copyright (c) 2016 Yasuhiro Matsumoto
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vendor/github.com/mattn/go-colorable/README.md

+# go-colorable
+
+[![Godoc Reference](https://godoc.org/github.com/mattn/go-colorable?status.svg)](http://godoc.org/github.com/mattn/go-colorable)
+[![Build Status](https://travis-ci.org/mattn/go-colorable.svg?branch=master)](https://travis-ci.org/mattn/go-colorable)
+[![Coverage Status](https://coveralls.io/repos/github/mattn/go-colorable/badge.svg?branch=master)](https://coveralls.io/github/mattn/go-colorable?branch=master)
+[![Go Report Card](https://goreportcard.com/badge/mattn/go-colorable)](https://goreportcard.com/report/mattn/go-colorable)
+
+Colorable writer for windows.
+
+For example, most of logger packages doesn't show colors on windows. (I know we can do it with ansicon. But I don't want.)
+This package is possible to handle escape sequence for ansi color on windows.
+
+## Too Bad!
+
+![](https://raw.githubusercontent.com/mattn/go-colorable/gh-pages/bad.png)
+
+
+## So Good!
+
+![](https://raw.githubusercontent.com/mattn/go-colorable/gh-pages/good.png)
+
+## Usage
+
+```go
+logrus.SetFormatter(&logrus.TextFormatter{ForceColors: true})
+logrus.SetOutput(colorable.NewColorableStdout())
+
+logrus.Info("succeeded")
+logrus.Warn("not correct")
+logrus.Error("something error")
+logrus.Fatal("panic")
+```
+
+You can compile above code on non-windows OSs.
+
+## Installation
+
+```
+$ go get github.com/mattn/go-colorable
+```
+
+# License
+
+MIT
+
+# Author
+
+Yasuhiro Matsumoto (a.k.a mattn)

vendor/github.com/mattn/go-colorable/colorable_appengine.go

+// +build appengine
+
+package colorable
+
+import (
+	"io"
+	"os"
+
+	_ "github.com/mattn/go-isatty"
+)
+
+// NewColorable return new instance of Writer which handle escape sequence.
+func NewColorable(file *os.File) io.Writer {
+	if file == nil {
+		panic("nil passed instead of *os.File to NewColorable()")
+	}
+
+	return file
+}
+
+// NewColorableStdout return new instance of Writer which handle escape sequence for stdout.
+func NewColorableStdout() io.Writer {
+	return os.Stdout
+}
+
+// NewColorableStderr return new instance of Writer which handle escape sequence for stderr.
+func NewColorableStderr() io.Writer {
+	return os.Stderr
+}

vendor/github.com/mattn/go-colorable/colorable_others.go

+// +build !windows
+// +build !appengine
+
+package colorable
+
+import (
+	"io"
+	"os"
+
+	_ "github.com/mattn/go-isatty"
+)
+
+// NewColorable return new instance of Writer which handle escape sequence.
+func NewColorable(file *os.File) io.Writer {
+	if file == nil {
+		panic("nil passed instead of *os.File to NewColorable()")
+	}
+
+	return file
+}
+
+// NewColorableStdout return new instance of Writer which handle escape sequence for stdout.
+func NewColorableStdout() io.Writer {
+	return os.Stdout
+}
+
+// NewColorableStderr return new instance of Writer which handle escape sequence for stderr.
+func NewColorableStderr() io.Writer {
+	return os.Stderr
+}

vendor/github.com/mattn/go-colorable/go.mod

+module github.com/mattn/go-colorable
+
+require github.com/mattn/go-isatty v0.0.8

vendor/github.com/mattn/go-colorable/go.sum

+github.com/mattn/go-isatty v0.0.5 h1:tHXDdz1cpzGaovsTB+TVB8q90WEokoVmfMqoVcrLUgw=
+github.com/mattn/go-isatty v0.0.5/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223 h1:DH4skfRX4EBpamg7iV4ZlCpblAHI6s6TDM39bFZumv8=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=

vendor/github.com/mattn/go-isatty/.travis.yml

+language: go
+go:
+  - tip
+
+os:
+  - linux
+  - osx
+
+before_install:
+  - go get github.com/mattn/goveralls
+  - go get golang.org/x/tools/cmd/cover
+script:
+  - $HOME/gopath/bin/goveralls -repotoken 3gHdORO5k5ziZcWMBxnd9LrMZaJs8m9x5

vendor/github.com/mattn/go-isatty/LICENSE

+Copyright (c) Yasuhiro MATSUMOTO <mattn.jp@gmail.com>
+
+MIT License (Expat)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

vendor/github.com/mattn/go-isatty/doc.go

+// Package isatty implements interface to isatty
+package isatty