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EstoesMoisesEstoesMoises
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added github actions automation to create docker images
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‎.github/workflows/docker-publish-dev.yml‎

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name: "Build and Publish Docker Demo TEST"
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on:
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workflow_dispatch:
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env:
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REGISTRY_IMAGE_BASE: estoesmoises/stackoverflow-backstage-demo
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IMAGE_TAG: test
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jobs:
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build-multi-arch:
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runs-on: ubuntu-latest
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strategy:
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fail-fast: false
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matrix:
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platform:
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- linux/amd64
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- linux/arm64
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Prepare
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run: |
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platform=${{ matrix.platform }}
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echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
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- name: Login to Docker Hub
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uses: docker/login-action@v3
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with:
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username: ${{ secrets.DOCKER_USERNAME }}
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password: ${{ secrets.DOCKER_PASSWORD }}
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- name: Set up QEMU
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uses: docker/setup-qemu-action@v3
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Build and push by digest
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id: build
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uses: docker/build-push-action@v6
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with:
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context: .
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platforms: ${{ matrix.platform }}
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outputs: type=image,push-by-digest=true,name=${{ env.REGISTRY_IMAGE_BASE }},push=true
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- name: Export digest
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run: |
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mkdir -p ${{ runner.temp }}/digests
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digest="${{ steps.build.outputs.digest }}"
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touch "${{ runner.temp }}/digests/${digest#sha256:}"
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- name: Upload digest
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uses: actions/upload-artifact@v4
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with:
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name: digests-${{ env.PLATFORM_PAIR }}
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path: ${{ runner.temp }}/digests/*
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if-no-files-found: error
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retention-days: 1
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merge:
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runs-on: ubuntu-latest
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needs:
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- build-multi-arch
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steps:
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- name: Download digests
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uses: actions/download-artifact@v4
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with:
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path: ${{ runner.temp }}/digests
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pattern: digests-*
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merge-multiple: true
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- name: Login to Docker Hub
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uses: docker/login-action@v3
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with:
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username: ${{ secrets.DOCKER_USERNAME }}
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password: ${{ secrets.DOCKER_PASSWORD }}
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Create manifest list and push with test tag
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working-directory: ${{ runner.temp }}/digests
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run: |
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docker buildx imagetools create -t ${{ env.REGISTRY_IMAGE_BASE }}:${{ env.IMAGE_TAG }} \
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$(printf '${{ env.REGISTRY_IMAGE_BASE }}@sha256:%s ' *)
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- name: Inspect image
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run: |
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docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE_BASE }}:${{ env.IMAGE_TAG }}

‎.github/workflows/docker-publish.yml‎

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name: "Build and Publish Docker Demo"
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on:
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push:
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tags:
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- "v*"
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env:
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REGISTRY_IMAGE: estoesmoises/stackoverflow-backstage-demo
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jobs:
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build-multi-arch:
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runs-on: ubuntu-latest
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strategy:
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fail-fast: false
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matrix:
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platform:
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- linux/amd64
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- linux/arm64
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Prepare
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run: |
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platform=${{ matrix.platform }}
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echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
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- name: Docker meta
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id: meta
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uses: docker/metadata-action@v5
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with:
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images: ${{ env.REGISTRY_IMAGE }}
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- name: Login to Docker Hub
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uses: docker/login-action@v3
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with:
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username: ${{ secrets.DOCKER_USERNAME }}
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password: ${{ secrets.DOCKER_PASSWORD }}
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- name: Set up QEMU
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uses: docker/setup-qemu-action@v3
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Build and push by digest
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id: build
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uses: docker/build-push-action@v6
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with:
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context: .
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platforms: ${{ matrix.platform }}
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labels: ${{ steps.meta.outputs.labels }}
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outputs: type=image,push-by-digest=true,name=${{ env.REGISTRY_IMAGE }},push=true
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- name: Export digest
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run: |
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mkdir -p ${{ runner.temp }}/digests
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digest="${{ steps.build.outputs.digest }}"
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touch "${{ runner.temp }}/digests/${digest#sha256:}"
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- name: Upload digest
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uses: actions/upload-artifact@v4
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with:
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name: digests-${{ env.PLATFORM_PAIR }}
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path: ${{ runner.temp }}/digests/*
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if-no-files-found: error
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retention-days: 1
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merge:
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runs-on: ubuntu-latest
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needs:
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- build-multi-arch
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steps:
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- name: Download digests
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uses: actions/download-artifact@v4
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with:
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path: ${{ runner.temp }}/digests
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pattern: digests-*
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merge-multiple: true
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- name: Login to Docker Hub
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uses: docker/login-action@v3
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with:
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username: ${{ secrets.DOCKER_USERNAME }}
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password: ${{ secrets.DOCKER_PASSWORD }}
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Docker meta
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id: meta
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uses: docker/metadata-action@v5
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with:
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images: ${{ env.REGISTRY_IMAGE }}
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tags: |
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type=semver,pattern={{version}}
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type=semver,pattern={{major}}.{{minor}}
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type=raw,value=latest,enable=${{ github.ref_type == 'tag' }}
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- name: Create manifest list and push
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working-directory: ${{ runner.temp }}/digests
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run: |
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docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
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$(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
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- name: Inspect image
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run: |
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docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}

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