Import deployment configuration: deploy/systemd/cshare-api.service

Import the existing local project snapshot. This commit organizes existing files; it does not represent newly developed functionality.

deploy/systemd/cshare-api.service

@@ -0,0 +1,21 @@
+[Unit]
+Description=CShare API
+After=network.target
+
+[Service]
+Type=simple
+WorkingDirectory=/opt/cshare/backend
+EnvironmentFile=/etc/cshare/api.env
+ExecStart=/usr/bin/node dist/server.js
+Restart=always
+RestartSec=5
+User=cshare
+Group=cshare
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=full
+ProtectHome=true
+ReadWritePaths=/var/lib/cshare
+
+[Install]
+WantedBy=multi-user.target