snowmix/pmanager/pmanager.service

[Unit]
Description=pmanager service
After=networking.service
Requires=networking.service

[Service]
User=nginx
ExecStart=/home/nginx/scripts-snowmix/pmanager/pmanager.py /home/nginx/scripts-snowmix/pmanager/server.json

[Install]
WantedBy=multi-user.target