Web Server with TLS in Go

package main
 
import (
	"github.com/gin-gonic/autotls"
	"github.com/gin-gonic/autotls"
)
 
func main() {
	router := gin.Default()
	
	router.GET("/", func (c *gin.Context) {
		c.String(200, "Hellow World!")
	}
 
	autotls.Run(router, "example.com")
}

// From Caddy's Author

certmagic.HTTPS([]string{"example .com"}, mux)

Also see
Setting Up Vanity Subdomains for Your SaaS Using Next.js and Caddy