add OpenUDS Broker gunicorn executor as systemd unit

.gear/openuds-web.service

@@ -0,0 +1,20 @@
+[Unit]
+Description=OpenUDS Broker Web server daemon
+Requires=openuds-web.socket
+After=network.target
+
+[Service]
+PIDFile=/run/openuds/pid
+User=openuds
+Group=openuds
+RuntimeDirectory=openuds
+WorkingDirectory=/usr/share/openuds
+ExecStart=/usr/bin/gunicorn --pid /run/openuds/pid \
+          --bind unix:/run/openuds/socket server.wsgi \
+          --workers 5 --threads 8
+ExecReload=/bin/kill -s HUP $MAINPID
+ExecStop=/bin/kill -s TERM $MAINPID
+PrivateTmp=true
+
+[Install]
+WantedBy=multi-user.target

.gear/openuds-web.socket

@@ -0,0 +1,10 @@
+[Unit]
+Description=OpenUDS Broker Web server socket
+
+[Socket]
+ListenStream=/run/openuds/socket
+SocketUser=openuds
+SocketGroup=_webserver
+
+[Install]
+WantedBy=sockets.target