zammad/script/systemd/zammad.service

[Unit]
Description=Zammad
After=syslog.target
After=network.target
StopWhenUnneeded=true
Wants=zammad-rails.service
Wants=zammad-scheduler.service
Wants=zammad-websocket.service

[Service]
EnvironmentFile=/etc/zammad/zammad.env
User=zammad
Group=zammad
Restart=always
ExecStart=/bin/sleep infinity

[Install]
WantedBy=multi-user.target