[Ashus]

You can use this control script to enable commands like service mailcow restart just like with other services.
Add the following file named mailcow.service to directory /etc/systemd/system of you Debian installation.

Code:

[Unit]
Description=Mailcow-dockerized control
# no need to enable as a service - mailcow-dockerized gets executed on reboot automatically
Requires=docker.service
After=docker.service

[Service]
Type=oneshot
RemainAfterExit=true
Restart=no
RestartSec=2
User=root
WorkingDirectory=/opt/mailcow-dockerized/
ExecStart=/usr/local/bin/docker-compose up -d
ExecStop=/usr/local/bin/docker-compose down

[Install]
WantedBy=multi-user.target