Add Ubuntu deployment: scripts, SSL, systemd and setup.sh

cmd/shop/main.go

@@ -13,6 +13,7 @@ import (
 	"shop/internal/config"
 	"shop/internal/database"
 	"shop/internal/handlers"
+	"shop/internal/middleware"
 	"shop/internal/repository"
 )
 
@@ -63,7 +64,7 @@ func main() {
 	addr := ":" + getEnv("APP_PORT", "8080")
 	srv := &http.Server{
 		Addr:         addr,
-		Handler:      mux,
+		Handler:      middleware.TrustProxy(mux),
 		ReadTimeout:  10 * time.Second,
 		WriteTimeout: 30 * time.Second,
 		IdleTimeout:  60 * time.Second,