Merge pull request #718 from crazy-max/moved-examples
docs: examples moved to docs websitepull/721/head
CrazyMax
GitHub
commit
ffe65bfc27
35
README.md
35
README.md
|
|
@ -18,20 +18,7 @@ ___
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|||
* [Usage](#usage)
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* [Git context](#git-context)
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* [Path context](#path-context)
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* [Advanced usage](#advanced-usage)
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||||
* [Multi-platform image](docs/advanced/multi-platform.md)
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||||
* [Secrets](docs/advanced/secrets.md)
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* [Isolated builders](docs/advanced/isolated-builders.md)
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* [Push to multi-registries](docs/advanced/push-multi-registries.md)
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* [Copy between registries](docs/advanced/copy-between-registries.md)
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* [Cache](docs/advanced/cache.md)
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* [Local registry](docs/advanced/local-registry.md)
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* [Export image to Docker](docs/advanced/export-docker.md)
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* [Share built image between jobs](docs/advanced/share-image-jobs.md)
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* [Test your image before pushing it](docs/advanced/test-before-push.md)
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* [Named contexts](docs/advanced/named-contexts.md)
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* [Handle tags and labels](docs/advanced/tags-labels.md)
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* [Update Docker Hub repo description](docs/advanced/dockerhub-desc.md)
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* [Examples](#examples)
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* [Customizing](#customizing)
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* [inputs](#inputs)
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* [outputs](#outputs)
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@ -129,8 +116,8 @@ to the default Git context:
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Building from the current repository automatically uses the [GitHub Token](https://docs.github.com/en/actions/security-guides/automatic-token-authentication),
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so it does not need to be passed. If you want to authenticate against another
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private repository, you have to use a [secret](docs/advanced/secrets.md) named
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`GIT_AUTH_TOKEN` to be able to authenticate against it with Buildx:
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private repository, you have to use a [secret](https://docs.docker.com/build/ci/github-actions/examples/#secrets)
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named `GIT_AUTH_TOKEN` to be able to authenticate against it with Buildx:
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```yaml
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-
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@ -181,21 +168,9 @@ jobs:
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tags: user/app:latest
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```
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## Advanced usage
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## Examples
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* [Multi-platform image](docs/advanced/multi-platform.md)
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* [Secrets](docs/advanced/secrets.md)
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* [Isolated builders](docs/advanced/isolated-builders.md)
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* [Push to multi-registries](docs/advanced/push-multi-registries.md)
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* [Copy between registries](docs/advanced/copy-between-registries.md)
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* [Cache](docs/advanced/cache.md)
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* [Local registry](docs/advanced/local-registry.md)
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* [Export image to Docker](docs/advanced/export-docker.md)
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* [Share built image between jobs](docs/advanced/share-image-jobs.md)
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* [Test your image before pushing it](docs/advanced/test-before-push.md)
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* [Named contexts](docs/advanced/named-contexts.md)
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* [Handle tags and labels](docs/advanced/tags-labels.md)
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* [Update Docker Hub repo description](docs/advanced/dockerhub-desc.md)
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See https://docs.docker.com/build/ci/github-actions/examples/.
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## Customizing
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|
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@ -1,207 +1,3 @@
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# Cache
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* [Inline cache](#inline-cache)
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* [Registry cache](#registry-cache)
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* [GitHub cache](#github-cache)
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* [Cache backend API](#cache-backend-api)
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* [Local cache](#local-cache)
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> **Note**
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>
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> See [our guide](https://github.com/docker/buildx/blob/master/docs/guides/cache/index.md)
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> for more details about cache storage backends.
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## Inline cache
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In most cases you want to use the [`type=inline` cache exporter](https://github.com/docker/buildx/blob/master/docs/guides/cache/inline.md).
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However, note that the `inline` cache exporter only supports `min` cache mode. To enable `max` cache mode, push the
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image and the cache separately by using the `registry` cache exporter as shown in the [next example](#registry-cache).
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```yaml
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name: ci
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on:
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push:
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branches:
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- 'main'
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jobs:
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docker:
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runs-on: ubuntu-latest
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steps:
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-
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name: Checkout
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uses: actions/checkout@v3
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-
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name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v2
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-
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name: Login to Docker Hub
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uses: docker/login-action@v2
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with:
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username: ${{ secrets.DOCKERHUB_USERNAME }}
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password: ${{ secrets.DOCKERHUB_TOKEN }}
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-
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name: Build and push
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uses: docker/build-push-action@v3
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with:
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context: .
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push: true
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tags: user/app:latest
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cache-from: type=registry,ref=user/app:latest
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cache-to: type=inline
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```
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## Registry cache
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You can import/export cache from a cache manifest or (special) image configuration on the registry with the
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[`type=registry` cache exporter](https://github.com/docker/buildx/blob/master/docs/guides/cache/registry.md).
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```yaml
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name: ci
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on:
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push:
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branches:
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- 'main'
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|
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jobs:
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docker:
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runs-on: ubuntu-latest
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steps:
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-
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name: Checkout
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uses: actions/checkout@v3
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-
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name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v2
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-
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name: Login to Docker Hub
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uses: docker/login-action@v2
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with:
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username: ${{ secrets.DOCKERHUB_USERNAME }}
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password: ${{ secrets.DOCKERHUB_TOKEN }}
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-
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name: Build and push
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uses: docker/build-push-action@v3
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with:
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context: .
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push: true
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tags: user/app:latest
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cache-from: type=registry,ref=user/app:buildcache
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cache-to: type=registry,ref=user/app:buildcache,mode=max
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```
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## GitHub cache
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### Cache backend API
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> **Warning**
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>
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> This cache exporter is considered EXPERIMENTAL until further notice. Please
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> provide feedback on [BuildKit repository](https://github.com/moby/buildkit)
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> if you encounter any issues.
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[GitHub Actions cache exporter](https://github.com/docker/buildx/blob/master/docs/guides/cache/gha.md)
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backend uses the [GitHub Cache API](https://github.com/tonistiigi/go-actions-cache/blob/master/api.md)
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to fetch and upload cache blobs. That's why this type of cache should be
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exclusively used in a GitHub Action workflow as the `url` (`$ACTIONS_CACHE_URL`)
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and `token` (`$ACTIONS_RUNTIME_TOKEN`) attributes are populated when a workflow
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is started.
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|
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```yaml
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name: ci
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|
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on:
|
||||
push:
|
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branches:
|
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- 'main'
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|
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jobs:
|
||||
docker:
|
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runs-on: ubuntu-latest
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||||
steps:
|
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-
|
||||
name: Checkout
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||||
uses: actions/checkout@v3
|
||||
-
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||||
name: Set up Docker Buildx
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||||
uses: docker/setup-buildx-action@v2
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-
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name: Login to Docker Hub
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uses: docker/login-action@v2
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with:
|
||||
username: ${{ secrets.DOCKERHUB_USERNAME }}
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||||
password: ${{ secrets.DOCKERHUB_TOKEN }}
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||||
-
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name: Build and push
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uses: docker/build-push-action@v3
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with:
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context: .
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push: true
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tags: user/app:latest
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cache-from: type=gha
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cache-to: type=gha,mode=max
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```
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### Local cache
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||||
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> **Warning**
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>
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> At the moment caches are copied over the existing cache, so it [keeps growing](https://github.com/docker/build-push-action/issues/252).
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> The `Move cache` step is used as a workaround (see [moby/buildkit#1896](https://github.com/moby/buildkit/issues/1896) for more info).
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You can also leverage [GitHub cache](https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows)
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using the [actions/cache](https://github.com/actions/cache) and [`type=local` cache exporter](https://github.com/docker/buildx/blob/master/docs/guides/cache/local.md)
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with this action:
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```yaml
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name: ci
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on:
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push:
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branches:
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- 'main'
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|
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jobs:
|
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docker:
|
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runs-on: ubuntu-latest
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||||
steps:
|
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-
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name: Checkout
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||||
uses: actions/checkout@v3
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-
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name: Set up Docker Buildx
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||||
uses: docker/setup-buildx-action@v2
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-
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name: Cache Docker layers
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uses: actions/cache@v3
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with:
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path: /tmp/.buildx-cache
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key: ${{ runner.os }}-buildx-${{ github.sha }}
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restore-keys: |
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${{ runner.os }}-buildx-
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-
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name: Login to Docker Hub
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uses: docker/login-action@v2
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with:
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username: ${{ secrets.DOCKERHUB_USERNAME }}
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password: ${{ secrets.DOCKERHUB_TOKEN }}
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-
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name: Build and push
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uses: docker/build-push-action@v3
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with:
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context: .
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push: true
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tags: user/app:latest
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cache-from: type=local,src=/tmp/.buildx-cache
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cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
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-
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# Temp fix
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# https://github.com/docker/build-push-action/issues/252
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# https://github.com/moby/buildkit/issues/1896
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name: Move cache
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run: |
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rm -rf /tmp/.buildx-cache
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mv /tmp/.buildx-cache-new /tmp/.buildx-cache
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```
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This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#cache)
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|
|
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|
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@ -1,58 +1,3 @@
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# Copy images between registries
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||||
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||||
[Multi-platform images](https://docs.docker.com/build/building/multi-platform/)
|
||||
built using Buildx can be copied from one registry to another using the
|
||||
[`imagetools create` command](https://docs.docker.com/engine/reference/commandline/buildx_imagetools_create/):
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
jobs:
|
||||
docker:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
name: Set up QEMU
|
||||
uses: docker/setup-qemu-action@v2
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
-
|
||||
name: Login to Docker Hub
|
||||
uses: docker/login-action@v2
|
||||
with:
|
||||
username: ${{ secrets.DOCKERHUB_USERNAME }}
|
||||
password: ${{ secrets.DOCKERHUB_TOKEN }}
|
||||
-
|
||||
name: Login to GitHub Container Registry
|
||||
uses: docker/login-action@v2
|
||||
with:
|
||||
registry: ghcr.io
|
||||
username: ${{ github.repository_owner }}
|
||||
password: ${{ secrets.GITHUB_TOKEN }}
|
||||
-
|
||||
name: Build and push
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
platforms: linux/amd64,linux/arm64
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||||
push: true
|
||||
tags: |
|
||||
user/app:latest
|
||||
user/app:1.0.0
|
||||
-
|
||||
name: Push image to GHCR
|
||||
run: |
|
||||
docker buildx imagetools create \
|
||||
--tag ghcr.io/user/app:latest \
|
||||
--tag ghcr.io/user/app:1.0.0 \
|
||||
user/app:latest
|
||||
```
|
||||
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#copy-images-between-registries)
|
||||
|
|
|
|||
|
|
@ -1,48 +1,3 @@
|
|||
# Update Docker Hub repo description
|
||||
|
||||
You can update the [Docker Hub repository description](https://docs.docker.com/docker-hub/repos/)
|
||||
using a third party action called [Docker Hub Description](https://github.com/peter-evans/dockerhub-description)
|
||||
with this action:
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
jobs:
|
||||
docker:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
name: Set up QEMU
|
||||
uses: docker/setup-qemu-action@v2
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
-
|
||||
name: Login to Docker Hub
|
||||
uses: docker/login-action@v2
|
||||
with:
|
||||
username: ${{ secrets.DOCKERHUB_USERNAME }}
|
||||
password: ${{ secrets.DOCKERHUB_TOKEN }}
|
||||
-
|
||||
name: Build and push
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
push: true
|
||||
tags: user/app:latest
|
||||
-
|
||||
name: Update repo description
|
||||
uses: peter-evans/dockerhub-description@v2
|
||||
with:
|
||||
username: ${{ secrets.DOCKERHUB_USERNAME }}
|
||||
password: ${{ secrets.DOCKERHUB_PASSWORD }}
|
||||
repository: user/app
|
||||
```
|
||||
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#update-docker-hub-repository-description)
|
||||
|
|
|
|||
|
|
@ -1,35 +1,3 @@
|
|||
# Export image to Docker
|
||||
|
||||
You may want your build result to be available in the Docker client through
|
||||
`docker images` to be able to use it in another step of your workflow:
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
jobs:
|
||||
docker:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
-
|
||||
name: Build
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
load: true
|
||||
tags: myimage:latest
|
||||
-
|
||||
name: Inspect
|
||||
run: |
|
||||
docker image inspect myimage:latest
|
||||
```
|
||||
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#export-image-to-docker)
|
||||
|
|
|
|||
|
|
@ -1,44 +1,3 @@
|
|||
# Isolated builders
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
jobs:
|
||||
docker:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
uses: docker/setup-buildx-action@v2
|
||||
id: builder1
|
||||
-
|
||||
uses: docker/setup-buildx-action@v2
|
||||
id: builder2
|
||||
-
|
||||
name: Builder 1 name
|
||||
run: echo ${{ steps.builder1.outputs.name }}
|
||||
-
|
||||
name: Builder 2 name
|
||||
run: echo ${{ steps.builder2.outputs.name }}
|
||||
-
|
||||
name: Build against builder1
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
builder: ${{ steps.builder1.outputs.name }}
|
||||
context: .
|
||||
target: mytarget1
|
||||
-
|
||||
name: Build against builder2
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
builder: ${{ steps.builder2.outputs.name }}
|
||||
context: .
|
||||
target: mytarget2
|
||||
```
|
||||
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#isolated-builders)
|
||||
|
|
|
|||
|
|
@ -1,45 +1,3 @@
|
|||
# Local registry
|
||||
|
||||
For testing purposes you may need to create a [local registry](https://hub.docker.com/_/registry)
|
||||
to push images into:
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
jobs:
|
||||
docker:
|
||||
runs-on: ubuntu-latest
|
||||
services:
|
||||
registry:
|
||||
image: registry:2
|
||||
ports:
|
||||
- 5000:5000
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
name: Set up QEMU
|
||||
uses: docker/setup-qemu-action@v2
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
with:
|
||||
driver-opts: network=host
|
||||
-
|
||||
name: Build and push to local registry
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
push: true
|
||||
tags: localhost:5000/name/app:latest
|
||||
-
|
||||
name: Inspect
|
||||
run: |
|
||||
docker buildx imagetools inspect localhost:5000/name/app:latest
|
||||
```
|
||||
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#local-registry)
|
||||
|
|
|
|||
|
|
@ -1,48 +1,3 @@
|
|||
# Multi-platform image
|
||||
|
||||
You can build [multi-platform images](https://docs.docker.com/build/building/multi-platform/)
|
||||
using the [`platforms` input](../../README.md#inputs) as described below.
|
||||
|
||||
> **Note**
|
||||
>
|
||||
> * List of available platforms will be displayed and available through our
|
||||
> [setup-buildx](https://github.com/docker/setup-buildx-action#about) action.
|
||||
> * If you want support for more platforms, you can use QEMU with our
|
||||
> [setup-qemu](https://github.com/docker/setup-qemu-action) action.
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
jobs:
|
||||
docker:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
name: Set up QEMU
|
||||
uses: docker/setup-qemu-action@v2
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
-
|
||||
name: Login to Docker Hub
|
||||
uses: docker/login-action@v2
|
||||
with:
|
||||
username: ${{ secrets.DOCKERHUB_USERNAME }}
|
||||
password: ${{ secrets.DOCKERHUB_TOKEN }}
|
||||
-
|
||||
name: Build and push
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
platforms: linux/amd64,linux/arm64
|
||||
push: true
|
||||
tags: user/app:latest
|
||||
```
|
||||
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#multi-platform-images)
|
||||
|
|
|
|||
|
|
@ -1,98 +1,3 @@
|
|||
# Named contexts
|
||||
|
||||
You can define [additional build contexts](https://docs.docker.com/engine/reference/commandline/buildx_build/#build-context)
|
||||
that can be accessed in your Dockerfile with `FROM name` or `--from=name`. When
|
||||
Dockerfile defines a stage with the same name it is overwritten.
|
||||
|
||||
This can be useful with GitHub Actions to reuse results from other builds or
|
||||
pin an image to a spcific tag in your workflow.
|
||||
|
||||
* [Pin image to a specific tag](#pin-image-to-a-specific-tag)
|
||||
* [Usage of the built image in other build steps](#usage-of-the-built-image-in-other-build-steps)
|
||||
|
||||
## Pin image to a specific tag
|
||||
|
||||
Replace `alpine:latest` with a pinned one:
|
||||
|
||||
```dockerfile
|
||||
# syntax=docker/dockerfile:1
|
||||
FROM alpine
|
||||
RUN echo "Hello World"
|
||||
```
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
jobs:
|
||||
docker:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
-
|
||||
name: Build
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
build-contexts: |
|
||||
alpine=docker-image://alpine:3.16
|
||||
tags: myimage:latest
|
||||
```
|
||||
|
||||
## Usage of the built image in other build steps
|
||||
|
||||
By default, the [`setup-buildx` action](https://github.com/docker/setup-buildx-action#about)
|
||||
uses `docker-container` as a build driver, so built Docker images are not
|
||||
available in the builder container.
|
||||
|
||||
With named contexts you can reuse the built image:
|
||||
|
||||
```dockerfile
|
||||
# syntax=docker/dockerfile:1
|
||||
FROM alpine
|
||||
RUN echo "Hello World"
|
||||
```
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
jobs:
|
||||
docker:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
-
|
||||
name: Build base image
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: base
|
||||
load: true
|
||||
tags: my-base-image:latest
|
||||
-
|
||||
name: Build
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
build-contexts: |
|
||||
alpine=docker-image://my-base-image:latest
|
||||
tags: myimage:latest
|
||||
```
|
||||
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#named-contexts)
|
||||
|
|
|
|||
|
|
@ -1,53 +1,3 @@
|
|||
# Push to multi-registries
|
||||
|
||||
The following workflow will connect you to [Docker Hub](https://github.com/docker/login-action#dockerhub)
|
||||
and [GitHub Container Registry](https://github.com/docker/login-action#github-container-registry)
|
||||
and push the image to these registries:
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
jobs:
|
||||
docker:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
name: Set up QEMU
|
||||
uses: docker/setup-qemu-action@v2
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
-
|
||||
name: Login to Docker Hub
|
||||
uses: docker/login-action@v2
|
||||
with:
|
||||
username: ${{ secrets.DOCKERHUB_USERNAME }}
|
||||
password: ${{ secrets.DOCKERHUB_TOKEN }}
|
||||
-
|
||||
name: Login to GitHub Container Registry
|
||||
uses: docker/login-action@v2
|
||||
with:
|
||||
registry: ghcr.io
|
||||
username: ${{ github.repository_owner }}
|
||||
password: ${{ secrets.GITHUB_TOKEN }}
|
||||
-
|
||||
name: Build and push
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
platforms: linux/amd64,linux/arm64
|
||||
push: true
|
||||
tags: |
|
||||
user/app:latest
|
||||
user/app:1.0.0
|
||||
ghcr.io/user/app:latest
|
||||
ghcr.io/user/app:1.0.0
|
||||
```
|
||||
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#push-to-multi-registries)
|
||||
|
|
|
|||
|
|
@ -1,88 +1,3 @@
|
|||
# Secrets
|
||||
|
||||
In the following example we will expose and use the [GITHUB_TOKEN secret](https://docs.github.com/en/actions/security-guides/automatic-token-authentication#about-the-github_token-secret)
|
||||
as provided by GitHub in your workflow.
|
||||
|
||||
First let's create our `Dockerfile` to use our secret:
|
||||
|
||||
```dockerfile
|
||||
# syntax=docker/dockerfile:1
|
||||
FROM alpine
|
||||
RUN --mount=type=secret,id=github_token \
|
||||
cat /run/secrets/github_token
|
||||
```
|
||||
|
||||
As you can see we have named our secret `github_token`. Here is the workflow
|
||||
you can use to expose this secret using the [`secrets` input](../../README.md#inputs):
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
jobs:
|
||||
docker:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
name: Set up QEMU
|
||||
uses: docker/setup-qemu-action@v2
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
-
|
||||
name: Build
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
platforms: linux/amd64,linux/arm64
|
||||
tags: user/app:latest
|
||||
secrets: |
|
||||
"github_token=${{ secrets.GITHUB_TOKEN }}"
|
||||
```
|
||||
|
||||
> **Note**
|
||||
>
|
||||
> You can also expose a secret file to the build with the [`secret-files`](../../README.md#inputs) input:
|
||||
> ```yaml
|
||||
> secret-files: |
|
||||
> "MY_SECRET=./secret.txt"
|
||||
> ```
|
||||
|
||||
If you're using [GitHub secrets](https://docs.github.com/en/actions/security-guides/encrypted-secrets)
|
||||
and need to handle multi-line value, you will need to place the key-value pair
|
||||
between quotes:
|
||||
|
||||
```yaml
|
||||
secrets: |
|
||||
"MYSECRET=${{ secrets.GPG_KEY }}"
|
||||
GIT_AUTH_TOKEN=abcdefghi,jklmno=0123456789
|
||||
"MYSECRET=aaaaaaaa
|
||||
bbbbbbb
|
||||
ccccccccc"
|
||||
FOO=bar
|
||||
"EMPTYLINE=aaaa
|
||||
|
||||
bbbb
|
||||
ccc"
|
||||
"JSON_SECRET={""key1"":""value1"",""key2"":""value2""}"
|
||||
```
|
||||
|
||||
| Key | Value |
|
||||
|--------------------|-------------------------------------|
|
||||
| `MYSECRET` | `***********************` |
|
||||
| `GIT_AUTH_TOKEN` | `abcdefghi,jklmno=0123456789` |
|
||||
| `MYSECRET` | `aaaaaaaa\nbbbbbbb\nccccccccc` |
|
||||
| `FOO` | `bar` |
|
||||
| `EMPTYLINE` | `aaaa\n\nbbbb\nccc` |
|
||||
| `JSON_SECRET` | `{"key1":"value1","key2":"value2"}` |
|
||||
|
||||
> **Note**
|
||||
>
|
||||
> All quote signs need to be doubled for escaping.
|
||||
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#secrets)
|
||||
|
|
|
|||
|
|
@ -1,60 +1,3 @@
|
|||
# Share built image between jobs
|
||||
|
||||
As each job is isolated in its own runner you cannot use your built image
|
||||
between jobs (except for [self-hosted runners](https://docs.github.com/en/actions/hosting-your-own-runners/about-self-hosted-runners)).
|
||||
However, you can [pass data between jobs in a workflow](https://docs.github.com/en/actions/using-workflows/storing-workflow-data-as-artifacts#passing-data-between-jobs-in-a-workflow)
|
||||
using the [actions/upload-artifact](https://github.com/actions/upload-artifact)
|
||||
and [actions/download-artifact](https://github.com/actions/download-artifact)
|
||||
actions:
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
jobs:
|
||||
build:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
-
|
||||
name: Build and export
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
tags: myimage:latest
|
||||
outputs: type=docker,dest=/tmp/myimage.tar
|
||||
-
|
||||
name: Upload artifact
|
||||
uses: actions/upload-artifact@v3
|
||||
with:
|
||||
name: myimage
|
||||
path: /tmp/myimage.tar
|
||||
|
||||
use:
|
||||
runs-on: ubuntu-latest
|
||||
needs: build
|
||||
steps:
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
-
|
||||
name: Download artifact
|
||||
uses: actions/download-artifact@v3
|
||||
with:
|
||||
name: myimage
|
||||
path: /tmp
|
||||
-
|
||||
name: Load image
|
||||
run: |
|
||||
docker load --input /tmp/myimage.tar
|
||||
docker image ls -a
|
||||
```
|
||||
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#share-built-image-between-jobs)
|
||||
|
|
|
|||
|
|
@ -1,77 +1,3 @@
|
|||
# Handle tags and labels
|
||||
|
||||
If you want an "automatic" tag management and [OCI Image Format Specification](https://github.com/opencontainers/image-spec/blob/master/annotations.md)
|
||||
for labels, you can do it in a dedicated step. The following workflow will use
|
||||
the [Docker metadata action](https://github.com/docker/metadata-action) to
|
||||
handle tags and labels based on GitHub actions events and Git metadata:
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
schedule:
|
||||
- cron: '0 10 * * *'
|
||||
push:
|
||||
branches:
|
||||
- '**'
|
||||
tags:
|
||||
- 'v*.*.*'
|
||||
pull_request:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
jobs:
|
||||
docker:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
name: Docker meta
|
||||
id: meta
|
||||
uses: docker/metadata-action@v4
|
||||
with:
|
||||
# list of Docker images to use as base name for tags
|
||||
images: |
|
||||
name/app
|
||||
ghcr.io/username/app
|
||||
# generate Docker tags based on the following events/attributes
|
||||
tags: |
|
||||
type=schedule
|
||||
type=ref,event=branch
|
||||
type=ref,event=pr
|
||||
type=semver,pattern={{version}}
|
||||
type=semver,pattern={{major}}.{{minor}}
|
||||
type=semver,pattern={{major}}
|
||||
type=sha
|
||||
-
|
||||
name: Set up QEMU
|
||||
uses: docker/setup-qemu-action@v2
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
-
|
||||
name: Login to Docker Hub
|
||||
if: github.event_name != 'pull_request'
|
||||
uses: docker/login-action@v2
|
||||
with:
|
||||
username: ${{ secrets.DOCKERHUB_USERNAME }}
|
||||
password: ${{ secrets.DOCKERHUB_TOKEN }}
|
||||
-
|
||||
name: Login to GHCR
|
||||
if: github.event_name != 'pull_request'
|
||||
uses: docker/login-action@v2
|
||||
with:
|
||||
registry: ghcr.io
|
||||
username: ${{ github.repository_owner }}
|
||||
password: ${{ secrets.GITHUB_TOKEN }}
|
||||
-
|
||||
name: Build and push
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
push: ${{ github.event_name != 'pull_request' }}
|
||||
tags: ${{ steps.meta.outputs.tags }}
|
||||
labels: ${{ steps.meta.outputs.labels }}
|
||||
```
|
||||
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#manage-tags-and-labels)
|
||||
|
|
|
|||
|
|
@ -1,67 +1,3 @@
|
|||
# Test your image before pushing it
|
||||
|
||||
In some cases, you might want to validate that the image works as expected
|
||||
before pushing it.
|
||||
|
||||
The workflow below will be composed of several steps to achieve this:
|
||||
* Build and export the image to Docker
|
||||
* Test your image
|
||||
* Multi-platform build and push the image
|
||||
|
||||
```yaml
|
||||
name: ci
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- 'main'
|
||||
|
||||
env:
|
||||
TEST_TAG: user/app:test
|
||||
LATEST_TAG: user/app:latest
|
||||
|
||||
jobs:
|
||||
docker:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
-
|
||||
name: Checkout
|
||||
uses: actions/checkout@v3
|
||||
-
|
||||
name: Set up QEMU
|
||||
uses: docker/setup-qemu-action@v2
|
||||
-
|
||||
name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v2
|
||||
-
|
||||
name: Login to Docker Hub
|
||||
uses: docker/login-action@v2
|
||||
with:
|
||||
username: ${{ secrets.DOCKERHUB_USERNAME }}
|
||||
password: ${{ secrets.DOCKERHUB_TOKEN }}
|
||||
-
|
||||
name: Build and export to Docker
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
load: true
|
||||
tags: ${{ env.TEST_TAG }}
|
||||
-
|
||||
name: Test
|
||||
run: |
|
||||
docker run --rm ${{ env.TEST_TAG }}
|
||||
-
|
||||
name: Build and push
|
||||
uses: docker/build-push-action@v3
|
||||
with:
|
||||
context: .
|
||||
platforms: linux/amd64,linux/arm64
|
||||
push: true
|
||||
tags: ${{ env.LATEST_TAG }}
|
||||
```
|
||||
|
||||
> **Note**
|
||||
>
|
||||
> Build time will not be increased with this workflow because internal cache
|
||||
> for `linux/amd64` will be used from previous step on `Build and push` step
|
||||
> so only `linux/arm64` will be actually built.
|
||||
This page has moved to [Docker Docs website](https://docs.docker.com/build/ci/github-actions/examples/#test-your-image-before-pushing-it)
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