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55 lines
1.6 KiB
Markdown
55 lines
1.6 KiB
Markdown
One of the problems I needed to solve was that I needed build multiple images, but I didn't want to have a code block for each. After some research I found a way to loop over multiple values in GitHub Actions using matrices.
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In the example below, I set three variables in the matrix and each of these are called in the Build and push step.
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```yaml
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build_and_push:
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permissions:
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contents: write
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packages: write
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runs-on: ubuntu-latest
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strategy:
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matrix:
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include:
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- image: ghcr.io/ssi-dk/sap-web
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dockerfile: app/Dockerfile
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path: app
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- image: ghcr.io/ssi-dk/sap-api
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dockerfile: web/Dockerfile
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path: web
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- image: ghcr.io/ssi-dk/bifrost-queue-broker
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dockerfile: bifrost/bifrost_queue_broker/Dockerfile
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path: bifrost/bifrost_queue_broker
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Login to GitHub Container Registry
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uses: docker/login-action@v3
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with:
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registry: ghcr.io
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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# loops over all images in the matrix defined on top
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- name: Build and push
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uses: docker/build-push-action@v5
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with:
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context: ${{ matrix.path }}
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platforms: linux/amd64
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tags: ${{ matrix.image }}:${{ needs.prepare_tag.outputs.tag }}
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file: ${{ matrix.dockerfile }}
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push: true
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```
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## Links:
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[Using a matrix for your jobs - GitHub Docs](https://docs.github.com/en/actions/using-jobs/using-a-matrix-for-your-jobs)
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