package main import ( "github.com/gin-gonic/gin" "golang.org/x/crypto/acme/autocert" ) func main() { r := gin.Default() gin.AutoTLSManager.Cache = autocert.DirCache("/var/www/.cache") // Ping handler r.GET("/ping", func(c *gin.Context) { c.String(200, "pong") }) // Listen and Server in 0.0.0.0:443 r.RunAutoTLS("example.com") }