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Merge pull request #16 from essentialkaos/develop
Add improved workflow for pushing Docker images
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| name: "Docker Push" | ||
|
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| on: | ||
| release: | ||
| types: [published] | ||
| schedule: | ||
| - cron: '30 12 * * *' | ||
|
|
||
| permissions: | ||
| packages: write | ||
| contents: read | ||
|
|
||
| env: | ||
| IMAGE_NAME: ${{ github.repository }} | ||
|
|
||
| jobs: | ||
| Docker: | ||
| name: Docker Build & Publish | ||
| runs-on: ubuntu-latest | ||
|
|
||
| steps: | ||
| - name: Checkout | ||
| uses: actions/checkout@v3 | ||
| with: | ||
| fetch-depth: 0 | ||
|
|
||
| - name: Login to DockerHub | ||
| 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.actor }} | ||
| password: ${{ secrets.GITHUB_TOKEN }} | ||
|
|
||
| - name: Prepare metadata for build | ||
| id: metadata | ||
| run: | | ||
| rev=$(git rev-list --tags --max-count=1) | ||
| version=$(git describe --tags "$rev" | tr -d 'v') | ||
| if [[ -z "$version" ]] ; then | ||
| echo "::error::Can't find version info" | ||
| exit 1 | ||
| fi | ||
| docker_file="Dockerfile" | ||
| base_image=$(grep 'FROM ' $docker_file | tail -1 | cut -f2 -d' ') | ||
| if [[ -z "$base_image" ]] ; then | ||
| echo "::error::Can't extract base image info" | ||
| exit 1 | ||
| fi | ||
| echo "::set-output name=version::$version" | ||
| echo "::set-output name=dockerfile::$docker_file" | ||
| echo "::set-output name=baseimage::$base_image" | ||
| echo -e "\033[34mVersion:\033[0m $version" | ||
| echo -e "\033[34mDockerfile:\033[0m $docker_file" | ||
| echo -e "\033[34mBase image:\033[0m $base_image" | ||
| - name: Check if build/rebuild is required | ||
| id: build_check | ||
| run: | | ||
| if [[ "${{github.event_name}}" == "release" ]] ; then | ||
| echo "::set-output name=build::true" | ||
| exit 0 | ||
| fi | ||
| echo -e "::group::\033[34mDownloading built image…\033[0m" | ||
| if ! docker pull ghcr.io/${{env.IMAGE_NAME}}:latest ; then | ||
| echo "::error::Can't download image ghcr.io/${{env.IMAGE_NAME}}:latest" | ||
| exit 1 | ||
| fi | ||
| echo "::endgroup::" | ||
| echo -e "::group::\033[34mDownloading base image…\033[0m" | ||
| if ! docker pull ${{steps.metadata.outputs.baseimage}} ; then | ||
| echo "::error::Can't download image ${{steps.metadata.outputs.baseimage}}" | ||
| exit 1 | ||
| fi | ||
| echo "::endgroup::" | ||
| base_layer=$(docker inspect "${{steps.metadata.outputs.baseimage}}" | jq -r '.[0].RootFS.Layers[-1]') | ||
| if [[ -z "$base_layer" ]] ; then | ||
| echo "::error::Can't extract layers info from base image" | ||
| exit 1 | ||
| fi | ||
| if ! docker inspect "ghcr.io/${{env.IMAGE_NAME}}:latest" | jq -r '.[0].RootFS.Layers' | grep -q "$base_layer" ; then | ||
| echo "::warning::Rebuild image (reason: base image rebuilt)" | ||
| echo "::set-output name=build::true" | ||
| exit 0 | ||
| fi | ||
| - name: Build and push Docker image | ||
| if: ${{ steps.build_check.outputs.build == 'true' }} | ||
| uses: docker/build-push-action@v3 | ||
| with: | ||
| push: true | ||
| context: . | ||
| file: ${{steps.metadata.outputs.dockerfile}} | ||
| tags: | | ||
| ghcr.io/${{env.IMAGE_NAME}}:${{steps.metadata.outputs.version}} | ||
| ghcr.io/${{env.IMAGE_NAME}}:latest | ||
| ${{env.IMAGE_NAME}}:${{steps.metadata.outputs.version}} | ||
| ${{env.IMAGE_NAME}}:latest | ||
| - name: Show info about built Docker image | ||
| uses: essentialkaos/docker-info-action@v1 | ||
| with: | ||
| image: ${{env.IMAGE_NAME}}:latest | ||
| show-labels: true |
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