start structure

.gitignore

@@ -0,0 +1 @@
+.vscode/

cmd/weather/server.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"go/weather/internal"
+	"io/ioutil"
+	"net/http"
+)
+
+func main() {
+
+	http.Handler(func(rw http.ResponseWriter, r *http.Request) {
+
+	})
+
+	certFile := ioutil.ReadFile("./")
+	http.ListenAndServeTLS(internal.NewListenAddr("127.0.0.1", 443).String(), "", "", nil)
+}

go.mod

@@ -0,0 +1,3 @@
+module go/weather
+
+go 1.16

internal/net.go

@@ -0,0 +1,25 @@
+package internal
+
+import "fmt"
+
+//ListenAddr host port listen information
+type ListenAddr interface {
+	String() string
+}
+
+type listenAddr struct {
+	Addr string
+	Port int
+}
+
+//NewListenAddr create new instance of ListenAddr
+func NewListenAddr(addr string, port int) listenAddr {
+	return listenAddr{
+		Addr: addr,
+		Port: port,
+	}
+}
+
+func (l listenAddr) String() string {
+	return fmt.Sprintf("%s:%s", l.Addr, fmt.Sprint(l.Port))
+}