swaggest/swgui

Embedded Swagger UI for Go

Swagger UI

Package swgui (Swagger UI) provides HTTP handler to serve Swagger UI. All assets are embedded in Go source code, so just build and run.

V5

Static assets for v5 are built from Swagger UI v5.10.3.

CDN-based v5cdn uses Swagger UI v5.10.3.

V4

Static assets for v4 are built from Swagger UI v4.19.1.

CDN-based v4cdn uses Swagger UI v4.18.3.

V3

Static assets for v3 are built from Swagger UI v3.52.5.

CDN-based v3cdn uses Swagger UI v3.52.4.

How to use

package main

import (
	"net/http"

	"github.com/swaggest/swgui/v5emb"
)

func main() {
	http.Handle("/api1/docs/", v5emb.New(
		"Petstore",
		"https://petstore3.swagger.io/api/v3/openapi.json",
		"/api1/docs/",
	))

	http.HandleFunc("/", func(writer http.ResponseWriter, request *http.Request) {
		_, _ = writer.Write([]byte("Hello World!"))
	})

	println("docs at http://localhost:8080/api1/docs/")
	_ = http.ListenAndServe("localhost:8080", http.DefaultServeMux)
}

If you use go1.16 or later, you can import natively embedded assets with "github.com/swaggest/swgui/v5emb", it may help to lower application memory usage.

Use CDN for assets

In order to reduce binary size you can import github.com/swaggest/swgui/v3cdn to use CDN hosted assets.

Also you can use swguicdn build tag to enable CDN mode for github.com/swaggest/swgui/v3 import.

Be aware that CDN mode may be considered inappropriate for security or networking reasons.

Documentation viewer CLI tool

Install swgui.

go install github.com/swaggest/swgui/cmd/swgui@latest

Or download binary from releases.

Linux AMD64

wget https://github.com/swaggest/swgui/releases/latest/download/linux_amd64.tar.gz && tar xf linux_amd64.tar.gz && rm linux_amd64.tar.gz
./swgui -version

Macos Intel

wget https://github.com/swaggest/swgui/releases/latest/download/darwin_amd64.tar.gz && tar xf darwin_amd64.tar.gz && rm darwin_amd64.tar.gz
codesign -s - ./swgui
./swgui -version

Macos Apple Silicon (M1, etc...)

wget https://github.com/swaggest/swgui/releases/latest/download/darwin_arm64.tar.gz && tar xf darwin_arm64.tar.gz && rm darwin_arm64.tar.gz
codesign -s - ./swgui
./swgui -version

Open spec file.

swgui my-openapi.yaml