signal backend, app cleanup

etc/systemd/system/phantasmobile.service

@@ -0,0 +1,18 @@
+[Unit]
+Description=phantasmobile daemon
+After=postgresql.service
+
+[Service]
+Type=simple
+Restart=always
+User=phantasmobile
+Group=phantasmobile
+WorkingDirectory=/srv/phantasmobile
+ExecReload=/bin/kill -HUP $MAINPID
+ExecStart=/srv/phantasmobile/venv/bin/gunicorn \
+    app.wsgi:application \
+    -c app/gunicorn_config.py \
+    -p /run/phantasmobile/phantasmobile.pid
+
+[Install]
+WantedBy=multi-user.target