build_image_release.yml

name: Build image release on GHCR

on:
  push:
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+-*'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository_owner }}/geth

jobs:
  release:
    name: Github Release
    runs-on: ubuntu-latest

    steps:
      - name: Create Github Release
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            if (!${{ toJson(github.ref_name) }}) {
              core.setFailed("RELEASE_TAG is not defined.")

              return;
            }
            try {
              const response = await github.rest.repos.createRelease({
                name: ${{ toJson(github.ref_name) }},
                tag_name: ${{ toJson(github.ref_name) }},
                draft: false,
                generate_release_notes: true,
                owner: context.repo.owner,
                prerelease: false,
                repo: context.repo.repo,
              });

              core.exportVariable('RELEASE_ID', response.data.id);
              core.exportVariable('RELEASE_UPLOAD_URL', response.data.upload_url);
            } catch (error) {
              core.setFailed(error.message);
            }
  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 }}
          tags: |
            type=ref,event=tag
      # 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.
      - name: Build and push Docker image
        uses: docker/build-push-action@4a13e500e55cf31b7a5d59a38ab2040ab0f42f56
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
    #   - name: Show the output
    #     run: echo "${{ steps.meta.outputs.tags }}"