package main import ( "github.com/gin-gonic/gin" "github.com/gin-contrib/cors" ) func main() { r := gin.Default() r.Use(cors.New(cors.Config{ AllowOrigins: []string{"http://localhost:8080", "http://localhost:5000"}, AllowCredentials: true, AllowHeaders: []string{"*"}, })) r.GET("/ping", func(c *gin.Context) { c.JSON(200, gin.H{ "message": "pong", }) }) r.Run() }