Done

deploy/systemd/firewall.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Firewall Management Service
+After=network.target
+
+[Service]
+EnvironmentFile=/opt/firewall/config/.env
+WorkingDirectory=/opt/firewall/backend
+ExecStart=/usr/local/bin/firewall
+Restart=always
+User=firewall-user
+
+[Install]
+WantedBy=multi-user.target