stechuhr-server.service working

stechuhr-server.service

 [Unit]
 Description="stechuhr-server daemon, receives Post requests"
+Before=nginx.service
 
 [Service]
-ExecStart=/usr/bin/python /srv/stechuhr-server/stechuhr_server/server.py
+Type=simple
+User=wwwrun
+ExecStart=/srv/stechuhr-server/env/bin/gunicorn stechuhr_server.server:app
 Restart=always
 RestartSec=30
+PrivateDevices=yes
+PrivateTmp=yes
+ProtectSystem=full
+NoNewPrivileges=yes
+AmbientCapabilities=CAP_NET_BIND_SERVICE
+WorkingDirectory=/srv/stechuhr-server
 
 [Install]
-WantedBy=network.target
\ No newline at end of file
+WantedBy=multi-user.target
+