compose/docs/reference/compose_build.md

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# docker compose build
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Services are built once and then tagged, by default as `project-service`.
If the Compose file specifies an
[image](https://github.com/compose-spec/compose-spec/blob/master/spec.md#image) name,
the image is tagged with that name, substituting any variables beforehand. See
[variable interpolation](https://github.com/compose-spec/compose-spec/blob/master/spec.md#interpolation).
If you change a service's `Dockerfile` or the contents of its build directory,
run `docker compose build` to rebuild it.
### Options
| Name | Type | Default | Description |
|:----------------------|:--------------|:--------|:------------------------------------------------------------------------------------------------------------|
| `--build-arg` | `stringArray` | | Set build-time variables for services |
| `--builder` | `string` | | Set builder to use |
| `--dry-run` | `bool` | | Execute command in dry run mode |
| `-m`, `--memory` | `bytes` | `0` | Set memory limit for the build container. Not supported by BuildKit. |
| `--no-cache` | `bool` | | Do not use cache when building the image |
| `--pull` | `bool` | | Always attempt to pull a newer version of the image |
| `--push` | `bool` | | Push service images |
| `-q`, `--quiet` | `bool` | | Don't print anything to STDOUT |
| `--ssh` | `string` | | Set SSH authentications used when building service images. (use 'default' for using your default SSH Agent) |
| `--with-dependencies` | `bool` | | Also build dependencies (transitively) |
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## Description
Services are built once and then tagged, by default as `project-service`.
If the Compose file specifies an
[image](https://github.com/compose-spec/compose-spec/blob/master/spec.md#image) name,
the image is tagged with that name, substituting any variables beforehand. See
[variable interpolation](https://github.com/compose-spec/compose-spec/blob/master/spec.md#interpolation).
If you change a service's `Dockerfile` or the contents of its build directory,
run `docker compose build` to rebuild it.