Lowercase repostory name #42
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| ## | |
| name: Create and publish a Docker image | |
| # Configures this workflow to run every time a change is pushed to the branch 'main' or a tag is pushed. | |
| on: | |
| push: | |
| branches: | |
| - main | |
| tags: | |
| - '*' | |
| jobs: | |
| build-and-push-image: | |
| runs-on: ubuntu-latest | |
| # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job. | |
| permissions: | |
| contents: read | |
| packages: write | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| # Capture the git description to tag the Docker image. If a tag is pushed, it will use the tag, otherwise, it will use the commit SHA. | |
| - name: Determine the Git Tag or Commit SHA | |
| id: git_tag | |
| run: echo "GIT_TAG=$(git describe --always)" >> $GITHUB_ENV | |
| # Convert the repository name to lowercase and store it in the IMAGE_NAME environment variable | |
| - name: Set Image Name | |
| run: echo "IMAGE_NAME=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV | |
| # Uses the `docker/login-action` action to log in to the Container registry using the account and password that will publish the packages. | |
| - name: Log in to the Container registry | |
| uses: docker/[email protected] | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| # This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a subsequent step. The `images` value provides the base name for the tags and labels. | |
| - name: Extract metadata (tags, labels) for Docker | |
| id: meta | |
| uses: docker/[email protected] | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages. | |
| # It uses the `context` parameter to define the build's context as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the `docker/build-push-action` repository. | |
| # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step and the git tag. | |
| - name: Build and push Docker image | |
| uses: docker/[email protected] | |
| with: | |
| context: . | |
| push: true | |
| tags: | | |
| ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.GIT_TAG }} | |
| ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:main | |
| labels: ${{ steps.meta.outputs.labels }} |