prompt 1,2,3

cmd/server/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"log"
+
+	"trustcontact/internal/app"
+	"trustcontact/internal/config"
+)
+
+func main() {
+	cfg, err := config.Load()
+	if err != nil {
+		log.Fatalf("config load failed: %v", err)
+	}
+
+	server, err := app.NewApp(cfg)
+	if err != nil {
+		log.Fatalf("app init failed: %v", err)
+	}
+
+	if err := server.Listen(":" + cfg.Port); err != nil {
+		log.Fatalf("server listen failed: %v", err)
+	}
+}