Add Go VPN admin panel with Docker Compose and Postgres 17.

Co-authored-by: Cursor <cursoragent@cursor.com>

cmd/server/main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/orohi/vpn-panel/internal/auth"
+	"github.com/orohi/vpn-panel/internal/config"
+	"github.com/orohi/vpn-panel/internal/db"
+	"github.com/orohi/vpn-panel/internal/handlers"
+)
+
+func main() {
+	cfg, err := config.Load()
+	if err != nil {
+		log.Fatalf("config: %v", err)
+	}
+
+	database, err := db.Connect(cfg)
+	if err != nil {
+		log.Fatalf("db: %v", err)
+	}
+	defer database.Close()
+
+	if err := db.Migrate(database); err != nil {
+		log.Fatalf("migrate: %v", err)
+	}
+	if err := db.SeedAdmin(database, cfg); err != nil {
+		log.Fatalf("seed admin: %v", err)
+	}
+	if err := db.SeedProtocols(database); err != nil {
+		log.Fatalf("seed protocols: %v", err)
+	}
+
+	authMgr := auth.New(cfg.Secret)
+	srv, err := handlers.New(database, authMgr, "web/templates")
+	if err != nil {
+		log.Fatalf("handlers: %v", err)
+	}
+
+	httpServer := &http.Server{
+		Addr:         ":" + cfg.Port,
+		Handler:      srv.Routes(),
+		ReadTimeout:  15 * time.Second,
+		WriteTimeout: 15 * time.Second,
+		IdleTimeout:  60 * time.Second,
+	}
+
+	log.Printf("VPN Panel listening on :%s", cfg.Port)
+	if err := httpServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+		log.Fatalf("server: %v", err)
+	}
+}