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Update README.md

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Add checkout step to examples.

Signed-off-by: Ricardo Correa <r.correa.r@gmail.com>
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Ricardo Correa 2020-07-16 11:42:32 +02:00
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commit 5aca64f130
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@ -160,58 +160,83 @@ Whether to push the built image.
The following will build the root Dockerfile, tag the image as `myorg/myrepository:latest`, log in to Docker Hub using GitHub secrets, and push the image to the Docker Hub repository `myorg/myrepository`: The following will build the root Dockerfile, tag the image as `myorg/myrepository:latest`, log in to Docker Hub using GitHub secrets, and push the image to the Docker Hub repository `myorg/myrepository`:
```yaml ```yaml
uses: docker/build-push-action@v1 steps:
with: - name: Checkout code
username: ${{ secrets.DOCKER_USERNAME }} uses: actions/checkout@v2
password: ${{ secrets.DOCKER_PASSWORD }}
repository: myorg/myrepository - name: Build and push Docker images
tags: latest uses: docker/build-push-action@v1
with:
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
repository: myorg/myrepository
tags: latest
``` ```
The following will build the root Dockerfile, tag the image with the git reference and SHA as described above, log in to Docker Hub using GitHub secrets, and push the image to the Docker Hub repository `myorg/myrepository`: The following will build the root Dockerfile, tag the image with the git reference and SHA as described above, log in to Docker Hub using GitHub secrets, and push the image to the Docker Hub repository `myorg/myrepository`:
```yaml ```yaml
uses: docker/build-push-action@v1 steps:
with: - name: Checkout code
username: ${{ secrets.DOCKER_USERNAME }} uses: actions/checkout@v2
password: ${{ secrets.DOCKER_PASSWORD }}
repository: myorg/myrepository - name: Build and push Docker images
tag_with_ref: true uses: docker/build-push-action@v1
tag_with_sha: true with:
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
repository: myorg/myrepository
tag_with_ref: true
tag_with_sha: true
``` ```
The following will only push the image when the event that kicked off the workflow was a push of a git tag: The following will only push the image when the event that kicked off the workflow was a push of a git tag:
```yaml ```yaml
uses: docker/build-push-action@v1 steps:
with: - name: Checkout code
username: ${{ secrets.DOCKER_USERNAME }} uses: actions/checkout@v2
password: ${{ secrets.DOCKER_PASSWORD }}
repository: myorg/myrepository - name: Build and push Docker images
tag_with_ref: true uses: docker/build-push-action@v1
push: ${{ startsWith(github.ref, 'refs/tags/') }} with:
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
repository: myorg/myrepository
tag_with_ref: true
push: ${{ startsWith(github.ref, 'refs/tags/') }}
``` ```
The following builds the `mytarget` stage and pushes that: The following builds the `mytarget` stage and pushes that:
```yaml ```yaml
uses: docker/build-push-action@v1 steps:
with: - name: Checkout code
username: ${{ secrets.DOCKER_USERNAME }} uses: actions/checkout@v2
password: ${{ secrets.DOCKER_PASSWORD }}
repository: myorg/myrepository - name: Build and push Docker images
tag_with_ref: true uses: docker/build-push-action@v1
target: mytarget with:
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
repository: myorg/myrepository
tag_with_ref: true
target: mytarget
``` ```
The following will build the root Dockerfile, tag the image as `myorg/myrepository:latest`, log in to Google Container Registry using GitHub secrets (where `DOCKER_PASSWORD` is a [JSON key](https://cloud.google.com/container-registry/docs/advanced-authentication#json-key)), and push the image to the GCR repository `myorg/myrepository`: The following will build the root Dockerfile, tag the image as `myorg/myrepository:latest`, log in to Google Container Registry using GitHub secrets (where `DOCKER_PASSWORD` is a [JSON key](https://cloud.google.com/container-registry/docs/advanced-authentication#json-key)), and push the image to the GCR repository `myorg/myrepository`:
```yaml ```yaml
uses: docker/build-push-action@v1 steps:
with: - name: Checkout code
username: _json_key uses: actions/checkout@v2
password: ${{ secrets.DOCKER_PASSWORD }}
registry: gcr.io - name: Build and push Docker images
repository: myorg/myrepository uses: docker/build-push-action@v1
tags: latest with:
username: _json_key
password: ${{ secrets.DOCKER_PASSWORD }}
registry: gcr.io
repository: myorg/myrepository
tags: latest
``` ```