celery/extra/systemd/celery.service

[Unit]
Description=Celery Nodes Daemon
After=network.target

[Service]
Type=forking
User=user
Group=users
EnvironmentFile=-/etc/conf.d/celery
WorkingDirectory=/opt/Myproject/
ExecStart=/usr/bin/python2 ${CELERY_BIN} $CELERYD_MULTI start $CELERYD_NODES --pidfile=${CELERYD_PID_FILE} --logfile=${CELERYD_LOG_FILE} --loglevel="INFO" $CELERYD_OPTS
ExecStop=/usr/bin/python2 ${CELERY_BIN} $CELERYD_MULTI stopwait $CELERYD_NODES --pidfile=${CELERYD_PID_FILE}
ExecReload=/usr/bin/python2 ${CELERY_BIN} $CELERYD_MULTI restart $CELERYD_NODES --pidfile=${CELERYD_PID_FILE} --logfile=${CELERYD_LOG_FILE} --loglevel="INFO" $CELERYD_OPTS

[Install]
WantedBy=multi-user.target