Running docker-compose as a systemd service

README.md

Running snikket as a systemd service

Files

File	Purpose
/etc/snikket/docker-compose.yml	Compose file describing what to deploy
/etc/systemd/system/snikket.service	Service unit to start and manage docker compose
/etc/systemd/system/snikket-reload.service	Executing unit to trigger reload on docker-compose.service
/etc/systemd/system/snikket-reload.timer	Timer unit to plan the reloads

Installation

Put the above mentioned files in the corresponding places and let systemd load them:

# systemctl daemon-reload
# systemctl enable snikket snikket-reload
# systemctl start snikket snikket-reload

snikket-reload.service

[Unit]
Description=Refresh images and update containers

[Service]
Type=oneshot

ExecStart=/bin/systemctl reload snikket.service

snikket-reload.timer

[Unit]
Description=Refresh images and update containers
Requires=snikket.service
After=snikket.service

[Timer]
OnCalendar=daily

[Install]
WantedBy=timers.target

snikket.service

[Unit]
Description=Docker Compose container starter
After=docker.service network-online.target
Requires=docker.service network-online.target

[Service]
WorkingDirectory=/etc/snikket
Type=oneshot
RemainAfterExit=yes

ExecStartPre=/usr/bin/docker-compose pull --quiet --parallel
ExecStart=/usr/bin/docker-compose up -d

ExecStop=/usr/bin/docker-compose down

ExecReload=/usr/bin/docker-compose pull --quiet --parallel
ExecReload=/usr/bin/docker-compose up -d

[Install]
WantedBy=multi-user.target