Support any golang net supported protocol

cmd/server/main.go

@@ -1,8 +1,8 @@
 package main
 
 import (
-	"fmt"
 	"log"
+	"net"
 	"net/http"
 	"os"
 
@@ -27,8 +27,12 @@ func main() {
 			),
 		),
 	)
-	addr := fmt.Sprintf(":%d", conf.Conf.Port)
-	log.Fatal(http.ListenAndServe(addr, router))
+
+	listener, err := net.Listen(conf.Conf.Protocol, conf.Conf.Address)
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.Fatal(http.Serve(listener, router))
 }
 
 func logger(next http.Handler) http.Handler {

conf.toml

@@ -1,6 +1,7 @@
 extension = "md"
 notesdir = "saved_notes"
-port = 8080
+address = ":8080"
+protocol = "tcp"
 
 [templates]
 dir = "templates"

internal/conf/conf.go

@@ -53,7 +53,8 @@ func (asset *Asset) FetchIfNotExists(staticPath string) {
 }
 
 type Config struct {
-	Port      int
+	Address   string
+	Protocol  string
 	Extension string
 	NotesDir  string
 	Templates struct {