[Unit]
Description=L4D2 dedicated server instance %i
After=network.target

[Service]
Type=simple
EnvironmentFile=/opt/l4d2/instances/%i/instance.env
WorkingDirectory=/opt/l4d2/runtime/%i/merged/left4dead2
ExecStart=/opt/l4d2/installation/srcds_run -game left4dead2 +hostport ${L4D2_PORT} ${L4D2_ARGS}
Restart=on-failure
RestartSec=5

[Install]
WantedBy=default.target