package main import ( "time" "github.com/gin-contrib/cors" "github.com/gin-gonic/gin" ) func main() { router := gin.Default() // CORS for https://foo.com and https://github.com origins, allowing: // - PUT and PATCH methods // - Origin header // - Credentials share // - Preflight requests cached for 12 hours router.Use(cors.New(cors.Config{ AllowOrigins: []string{"https://foo.com"}, AllowMethods: []string{"PUT", "PATCH"}, AllowHeaders: []string{"Origin"}, ExposeHeaders: []string{"Content-Length"}, AllowCredentials: true, AllowOriginFunc: func(origin string) bool { return origin == "https://github.com" }, MaxAge: 12 * time.Hour, })) router.Run() }