package main import ( "net/http" "golang.org/x/crypto/acme/autocert" "github.com/labstack/echo" "github.com/labstack/echo/middleware" ) func main() { e := echo.New() // e.AutoTLSManager.HostPolicy = autocert.HostWhitelist("") // Cache certificates e.AutoTLSManager.Cache = autocert.DirCache("/var/www/.cache") e.Use(middleware.Recover()) e.Use(middleware.Logger()) e.GET("/", func(c echo.Context) error { return c.HTML(http.StatusOK, `

Welcome to Echo!

TLS certificates automatically installed from Let's Encrypt :)

`) }) e.Logger.Fatal(e.StartAutoTLS(":443")) }