docker-publish.yml

#
name: Create and publish a Docker image with tags

# Configures this workflow to run every time a change is pushed and have tags
on:
  push:
    tags:
      - '*' 

# Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
env:
  REGISTRY: ghcr.io
  #IMAGE_NAME: ${{ github.repository }}
  IMAGE_NAME:  ghcr.io/justcoded/plopjs

# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
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
      # Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here.
      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        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/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}



      - name: Set Versions
        uses: actions/github-script@v4
        id: set_version
        with:
          script: |
            const tag = context.ref.substring(10)
            const no_v = tag.replace('v', '')
            const dash_index = no_v.lastIndexOf('-')
            const no_dash = (dash_index > -1) ?  no_v.substring(0, dash_index) : no_v
            core.setOutput('tag', tag)
            core.setOutput('no-v', no_v)
            core.setOutput('no-dash', no_dash)

      - name: Build and Push
        uses: docker/build-push-action@v2
        with:
          context: .
          push: true
          tags: |
            ghcr.io/justcoded/plopjs/plopjs:latest
            ghcr.io/justcoded/plopjs/plopjs:${{steps.set_version.outputs.no-dash}}




#      - name: Build and push Docker image
#        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
#        with:
#          context: .
#          push: true
#          tags: ${{ steps.process-tags.outputs.tags }}
#          labels: ${{ steps.meta.outputs.labels }}