up

main.go

@@ -3,6 +3,8 @@ package main
 import (
 	"fmt"
 	"log"
+	"net"
+	"os"
 
 	"github.com/gin-contrib/sessions"
 	"github.com/gin-contrib/sessions/cookie"
@@ -161,9 +163,39 @@ func main() {
 	}
 
 	// 9. Start the server.
-	addr := fmt.Sprintf(":%s", cfg.Port)
-	log.Printf("Go Blog starting on http://localhost%s", addr)
-	if err := router.Run(addr); err != nil {
-		log.Fatalf("Failed to start server: %v", err)
+	webPort := cfg.Web.Port
+	socketPath := cfg.Web.Socket
+	usePort := webPort != "" && webPort != "0"
+	useSocket := socketPath != ""
+
+	if !usePort && !useSocket {
+		log.Fatalf("Neither port nor socket is configured — at least one must be enabled")
 	}
+
+	if usePort {
+		go func() {
+			addr := fmt.Sprintf(":%s", webPort)
+			log.Printf("Go Blog starting on http://localhost%s", addr)
+			if err := router.Run(addr); err != nil {
+				log.Fatalf("Failed to start HTTP server: %v", err)
+			}
+		}()
+	}
+
+	if useSocket {
+		go func() {
+			os.Remove(socketPath) // remove stale socket file if exists
+			listener, err := net.Listen("unix", socketPath)
+			if err != nil {
+				log.Fatalf("Failed to listen on unix socket %s: %v", socketPath, err)
+			}
+			log.Printf("Go Blog starting on unix socket %s", socketPath)
+			if err := router.RunListener(listener); err != nil {
+				log.Fatalf("Failed to serve on unix socket: %v", err)
+			}
+		}()
+	}
+
+	// Block forever.
+	select {}
 }