Run the translator as a systemd system service

.github/workflows/translation-demo-deploy.yml

@@ -92,7 +92,10 @@ jobs:
             printf 'FISHJAM_ID=%s\nFISHJAM_MANAGEMENT_TOKEN=%s\nGOOGLE_API_KEY=%s\n' \
               "$FISHJAM_ID" "$FISHJAM_MANAGEMENT_TOKEN" "$GOOGLE_API_KEY" > .env
             uv sync
-            systemctl --user restart translator
+            install -m 644 deploy/translator.service /etc/systemd/system/translator.service
+            systemctl daemon-reload
+            systemctl enable translator
+            systemctl restart translator
         env:
           SERVICE_DIR: ${{ secrets.TRANSLATOR_SERVICE_DIR }}
           FISHJAM_ID: ${{ secrets.TRANSLATION_FISHJAM_ID }}

translation-demo/service/deploy/translator.service

@@ -0,0 +1,17 @@
+# Installed to /etc/systemd/system/translator.service by
+# .github/workflows/translation-demo-deploy.yml. A system unit (not a
+# `systemctl --user` one) so the service survives SSH logouts and reboots.
+[Unit]
+Description=MoQ live translation service
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+User=root
+WorkingDirectory=/home/translator-service
+ExecStart=/root/.local/bin/uv run --env-file .env translator
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target