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README
MIT

gin-swagger

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

Travis branch Codecov branch Go Report Card GoDoc

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 -u 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 gin-swagger by using:
$ go get -u github.com/swaggo/gin-swagger
$ go get -u github.com/swaggo/files

And import following in your code:

import "github.com/swaggo/gin-swagger" // gin-swagger middleware
import "github.com/swaggo/files" // swagger embed files

Canonical example:

package main

import (
	"github.com/gin-gonic/gin"
	swaggerFiles "github.com/swaggo/files"
	"github.com/swaggo/gin-swagger"
	
	_ "github.com/swaggo/gin-swagger/example/basic/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() {
	r := gin.New()

	url := ginSwagger.URL("http://localhost:8080/swagger/doc.json") // The url pointing to API definition
	r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler, url))

	r.Run()
}
  1. Run it, and browser to http://localhost:8080/swagger/index.html, you can see Swagger 2.0 Api documents.

swagger_index.html

  1. If you want to disable swagger when some environment variable is set, use DisablingWrapHandler

Example with disabling:

package main

import (
	"github.com/gin-gonic/gin"
	swaggerFiles "github.com/swaggo/files"
	"github.com/swaggo/gin-swagger"
    
	_ "./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() {
	r := gin.New()
    
    // use ginSwagger middleware to 
	r.GET("/swagger/*any", ginSwagger.DisablingWrapHandler(swaggerFiles.Handler, "NAME_OF_ENV_VARIABLE"))

	r.Run()
}

Then, if you set envioment variable NAME_OF_ENV_VARIABLE to anything, /swagger/*any will respond 404, just like when route unspecified.

MIT License Copyright (c) 2017 Swaggo 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.

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