[Unit]
Description=Relay Signaling WebRTC Server
After=network.target

[Service]
Type=simple
User=www-data
WorkingDirectory=/opt/relay
EnvironmentFile=/etc/relay.env
ExecStart=/usr/bin/node /opt/relay/server.js
Restart=always
RestartSec=3
NoNewPrivileges=true
PrivateTmp=true

[Install]
WantedBy=multi-user.target