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Add Docker Hub (#11)
Push image to both Docker Hub and GitHub Container Registry as: 1. infrastructureascode/hello-world 2. ghcr.io/infrastructure-as-code/hello-world
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‎.github/workflows/dockerhub.yml

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name: Docker Hub
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on:
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push:
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branches:
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- "master"
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- "dev"
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- "dev/*"
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tags:
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- "[0-9]+.[0-9]+.[0-9]+"
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env:
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IMAGE_NAME: infrastructureascode/hello-world
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jobs:
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check:
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runs-on: ubuntu-latest
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steps:
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- name: Check out the repo
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uses: actions/checkout@v3
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- name: Set up Go
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uses: actions/setup-go@v4
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with:
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go-version: '^1.20.0'
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- name: gofmt
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run: |
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test -z `gofmt -s -l .`
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- name: go vet
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run: |
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go vet ./...
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- name: golangci-lint
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uses: golangci/golangci-lint-action@v3
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- uses: dominikh/[email protected]
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with:
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version: "2022.1.3"
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- name: Run tests
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run: |
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GIN_MODE=debug go test
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build:
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runs-on: ubuntu-latest
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needs:
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- check
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permissions:
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contents: read
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packages: write
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strategy:
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fail-fast: false
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matrix:
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include:
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- platform: linux/amd64
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goarch: amd64
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dockerenv:
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- platform: linux/arm/v6
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goarch: arm
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dockerenv: -e QEMU_CPU=arm1176
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- platform: linux/arm/v8
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goarch: arm64
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dockerenv: -e QEMU_CPU=cortex-a53
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steps:
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- name: Check out the repo
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uses: actions/checkout@v3
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# Cross-compile the golang app first and generate
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# the sha1sum to help with the provenance of the
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# binary in the images.
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- uses: actions/setup-go@v4
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with:
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go-version: '^1.20.0'
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- name: Compile the app
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run: |
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export GOOS=linux GOARCH=${{ matrix.goarch }}
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CGO_ENABLED=0 go build -a -o hello_world
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- name: Show binary info
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run: |
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file hello_world
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sha1sum hello_world
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- name: Log in to the container registry
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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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- name: Set up QEMU
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uses: docker/setup-qemu-action@v2
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# do a local build to make sure the image runs
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# before it is pushed to the registry
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- name: Build and run image locally as cross-compile test
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run: |
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docker build --rm \
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--platform ${{ matrix.platform }} \
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--tag test-image \
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.
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docker run --rm \
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--tty \
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${{ matrix.dockerenv }} \
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test-image \
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--version
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# Build and push to registry since we have validated
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# that the image can be run
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v2
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- name: Extract metadata (tags, labels) for Docker
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id: meta
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uses: docker/metadata-action@v4
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with:
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images: ${{ env.IMAGE_NAME }}
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- name: Build and push Docker image
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id: build
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uses: docker/build-push-action@v4
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with:
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context: .
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platforms: ${{ matrix.platform }}
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push: ${{ github.event_name != 'pull_request' }}
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labels: ${{ steps.meta.outputs.labels }}
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outputs: type=image,name=${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
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- name: Export digest
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run: |
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mkdir -p /tmp/digests
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digest="${{ steps.build.outputs.digest }}"
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touch "/tmp/digests/${digest#sha256:}"
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- name: Upload digest
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uses: actions/upload-artifact@v3
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with:
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name: digests
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path: /tmp/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
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permissions:
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contents: read
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packages: write
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steps:
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- name: Download digests
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uses: actions/download-artifact@v3
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with:
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name: digests
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path: /tmp/digests
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v2
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- name: Docker meta
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id: meta
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uses: docker/metadata-action@v4
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with:
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images: ${{ env.IMAGE_NAME }}
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tags: |
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type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) }}
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type=raw,value=${{ github.ref_name }}
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- name: Log in to the container registry
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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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- run: |
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ls -l
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working-directory: /tmp/digests
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- name: Create manifest list and push
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working-directory: /tmp/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.IMAGE_NAME }}@sha256:%s ' *)
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-
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name: Inspect image
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run: |
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docker buildx imagetools inspect ${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}
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# run the Buildx-built images as a sanity check
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test-run:
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runs-on: ubuntu-latest
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needs:
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- merge
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permissions:
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contents: read
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packages: read
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strategy:
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fail-fast: false
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matrix:
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include:
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- platform: linux/amd64
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dockerenv:
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- platform: linux/arm/v6
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dockerenv: -e QEMU_CPU=arm1176
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- platform: linux/arm/v8
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dockerenv: -e QEMU_CPU=cortex-a53
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steps:
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- name: Set up QEMU
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uses: docker/setup-qemu-action@v2
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- name: Docker meta
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id: meta
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uses: docker/metadata-action@v4
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with:
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images: ${{ env.IMAGE_NAME }}
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tags: |
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type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) }}
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type=raw,value=${{ github.ref_name }}
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- name: Docker run
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run: |
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docker run --rm \
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--tty \
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--platform ${{ matrix.platform }} \
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${{ matrix.dockerenv }} \
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${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }} \
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--version

‎.github/workflows/build-images.yml renamed to ‎.github/workflows/ghcr.yml

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name: GHCR
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on:
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push:
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branches:
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push: ${{ github.event_name != 'pull_request' }}
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labels: ${{ steps.meta.outputs.labels }}
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outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
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sbom: true
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provenance: true
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- name: Export digest
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run: |

‎README.md

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[![Build Status](https://github.com/infrastructure-as-code/docker-hello-world/actions/workflows/build-images.yml/badge.svg?branch=master)](https://github.com/infrastructure-as-code/docker-hello-world/actions/workflows/build-images.yml)
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[![GHCR Build Status](https://github.com/infrastructure-as-code/docker-hello-world/actions/workflows/ghcr.yml/badge.svg?branch=main)](https://github.com/infrastructure-as-code/docker-hello-world/actions/workflows/ghcr.yml)
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[![Docker Hub Build Status](https://github.com/infrastructure-as-code/docker-hello-world/actions/workflows/dockerhub.yml/badge.svg?branch=main)](https://github.com/infrastructure-as-code/docker-hello-world/actions/workflows/dockerhub.yml)
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# ghcr.io/infrastructure-as-code/hello-world
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A [Prometheus](https://prometheus.io/)-instrumented Docker "Hello World" web server. This image began life as [infrastructureascode/hello-world](https://hub.docker.com/r/infrastructureascode/hello-world) on Docker Hub, but has since been migrated to the GitHub Container Registry. The image is now `ghcr.io/infrastructure-as-code/hello-world`.
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A [Prometheus](https://prometheus.io/)-instrumented Docker "Hello World" web server. This image began life as [infrastructureascode/hello-world](https://hub.docker.com/r/infrastructureascode/hello-world) on Docker Hub, and is now also available on the GitHub Container Registry as `ghcr.io/infrastructure-as-code/hello-world`.
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## Images
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| Registry Name | Image Name |
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|---------------|------------|
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| GitHub Container Registry | `ghcr.io/infrastructure-as-code/hello-world` |
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| Docker Hub | `infrastructureascode/hello-world` |
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## Features
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