# Server PORT=3000 SESSION_SECRET=change-this-to-a-random-secret # Initial admin credentials (used only if no admin exists in DB) ADMIN_USERNAME=admin ADMIN_PASSWORD=changeme # Optional: pre-configure Teltonika device (can also be set via web UI) DEVICE_IP=192.168.1.1 DEVICE_USERNAME=admin DEVICE_PASSWORD=admin01 DEVICE_MODEM=1-1 # SMS polling interval in seconds (default: 30) POLL_INTERVAL=30 # Log level: ERROR | WARNING | INFO | DEBUG (default: INFO) LOG_LEVEL=INFO