Docker stack simplifies the application management by providing: desired state, rolling updates, simple, scaling operation, health checks.
Simple Process
Define app in Compose file and deploy and manage it with
docker stack deploy
cat docker-compose.yml | docker stack deploy --compose-file -
filtering
- id/ID (--filter id=7be5ei6sqeye, or --filter ID=7be5ei6sqeye)
- label (--filter label=key=value)
- model (--filter mode=replicated, or --filter mode=global)
- name (--filter name=myapp_web)
- node (--filter node=mynode)
- service (--filter service=web)
format
| Placeholder | Description |
|---|---|
| .ID | Service ID |
| .Name | Service name |
| .Mode | Service mode (replicated, global) |
| .Replicas | Service replicas |
| .Image | Service image |
docker stack services --format "{{.ID}}: {{.Mode}} {{.Replicas}}"