Import deployment configuration: deploy/systemd/coaxyspanel-backend.service

Import the existing local project snapshot. This commit organizes existing files; it does not represent newly developed functionality.

deploy/systemd/coaxyspanel-backend.service

@@ -0,0 +1,25 @@
+[Unit]
+Description=CoaxysPanel Fastify backend
+After=network.target postgresql@18-main.service redis-server.service
+Wants=postgresql@18-main.service redis-server.service
+
+[Service]
+Type=simple
+WorkingDirectory=/srv/CoaxysPanel/backend
+EnvironmentFile=/srv/CoaxysPanel/backend/.env
+Environment=NODE_ENV=production
+Environment=HOST=127.0.0.1
+Environment=PORT=3020
+Environment=PATH=/root/.nvm/versions/node/v20.20.2/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+ExecStart=/root/.nvm/versions/node/v20.20.2/bin/npm run start
+Restart=always
+RestartSec=5
+KillSignal=SIGTERM
+TimeoutStopSec=30
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=full
+ReadWritePaths=/srv/CoaxysPanel/backend /var/lib/coaxyspanel /var/backups/coaxyspanel
+
+[Install]
+WantedBy=multi-user.target