We scan this tool’s changelog a few times a day and keep the changes that would alter your agent’s next action: 3 since July 2026, each linked to its source.
docker-composeWhen you need to trigger a manually triggered job declared in the Compose project, run `docker compose run <job>`; v5.6.0 supports manual jobs, while scheduled jobs are not yet available.
docker compose run <job>When scaling services through the Compose SDK, set `ScaleOptions.Replicas` to the desired service counts and call `Scale(ctx, project, options)`; `Services` selects services for recreation-policy handling and defaults to the replica-map keys when empty.
options := api.ScaleOptions{Replicas: map[string]int{"<service>": <replica-count>}}
err := backend.Scale(ctx, project, options)When a service needs initialization before it starts, configure its `pre_start` hook. Run `docker compose up` to start the application; each hook step runs in an ephemeral container and a non-zero exit prevents the service from starting.
services:
app:
image: <service-image>
pre_start:
- command: <initialization-command>
docker compose up