echoSwagger

README

echo-swagger

echo middleware to automatically generate RESTful API documentation with Swagger 2.0.

Usage

Start using it

1. Add comments to your API source code, See Declarative Comments Format.
2. Download Swag for Go by using:

$ go get github.com/swaggo/swag/cmd/swag

1. Run the Swag in your Go project root folder which contains main.go file, Swag will parse comments and generate required files(docs folder and docs/doc.go).

$ swag init

1. Download echo-swagger by using:

$ go get -u github.com/swaggo/echo-swagger

And import following in your code:

import "github.com/swaggo/echo-swagger" // echo-swagger middleware

Canonical example:

package main

import (
	"github.com/labstack/echo/v4"
	"github.com/swaggo/echo-swagger"

	_ "github.com/swaggo/echo-swagger/example/docs" // docs is generated by Swag CLI, you have to import it.
)

// @title Swagger Example API
// @version 1.0
// @description This is a sample server Petstore server.
// @termsOfService http://swagger.io/terms/

// @contact.name API Support
// @contact.url http://www.swagger.io/support
// @contact.email support@swagger.io

// @license.name Apache 2.0
// @license.url http://www.apache.org/licenses/LICENSE-2.0.html

// @host petstore.swagger.io
// @BasePath /v2
func main() {
	e := echo.New()

	e.GET("/swagger/*", echoSwagger.WrapHandler)

	e.Logger.Fatal(e.Start(":1323"))
}

1. Run it, and browser to http://localhost:1323/swagger/index.html, you can see Swagger 2.0 Api documents.

Documentation

Index

• Variables
• func EchoWrapHandler(confs ...func(c *Config)) echo.HandlerFunc
• func URL(url string) func(c *Config)
• type Config
• type OAuthConfig

Variables

var WrapHandler = EchoWrapHandler()

WrapHandler wraps swaggerFiles.Handler and returns echo.HandlerFunc

Functions

func EchoWrapHandler

func EchoWrapHandler(confs ...func(c *Config)) echo.HandlerFunc

EchoWrapHandler wraps `http.Handler` into `echo.HandlerFunc`.

func URL

func URL(url string) func(c *Config)

URL presents the url pointing to API definition (normally swagger.json or swagger.yaml).

Types

type Config

type Config struct {
	// If the Swagger specification JSON document is external to the web server, this should be set to the full URL
	// to the specification document.
	ExternalURL *string

	// The information for OAuth2 integration, if any.
	OAuth *OAuthConfig
}

Config stores echoSwagger configuration variables.

type OAuthConfig

type OAuthConfig struct {
	// The ID of the client sent to the OAuth2 IAM provider.
	ClientId string

	// The OAuth2 realm that the client should operate in. If not applicable, use empty string.
	Realm string

	// The name to display for the application in the authentication popup.
	AppName string
}

Configuration for Swagger UI OAuth2 integration. See https://swagger.io/docs/open-source-tools/swagger-ui/usage/oauth2/ for further details.