publish-cloud-builder.yaml

---
# Automatically build Docker images using a cloud builder and publish them to a
# container registry using HCL Bake file.

name: Build Docker Images using Cloud Builder

on:
  # workflow_dispatch:
  # pull_request:
  #   branches: ['main']
  push:
    branches: ['main']
    tags: ['*']

jobs:
  # When pushing into main will build the regular multi-arch image
  # For pull requests will use the default target to only
  # generate local architecture version
  bake-target:
    name: Determine bake target
    runs-on: ubuntu-22.04 # don't use the big runners for this small step
    outputs:
      target: ${{ steps.generate.outputs.bake_target }}
    steps:
      - name: Determine target
        id: generate
        run: |
          # NOTE: Using direct target names instead of group names as its a single
          # image build and want to use the target as part of the output image tag
          if [[ '${{ github.event_name }}' == 'pull_request' ]]; then
            TGT=askem-julia-base
          else
            TGT=askem-julia
          fi

          echo "$TGT"
          echo "bake_target=${TGT,,}" >> ${GITHUB_OUTPUT}

      - name: Show Generated Tag
        run: echo ${{ steps.generate.outputs.bake_target }}

  # Build and Publish all targets associated with specified group
  bake:
    needs:
      - bake-target
    uses: darpa-askem/.github/.github/workflows/bake-publish-cloud-builder.yaml@main
    with:
      file: 'docker/docker-bake.hcl'
      group: ${{ needs.bake-target.outputs.target }}
      registry: 'ghcr.io'
      organization: ${{ github.repository_owner }}
    secrets:
      username: ${{ secrets.DOCKER_CLOUD_BUILD_USERNAME }}
      token: ${{ secrets.DOCKER_CLOUD_BUILD_TOKEN }}
      endpoint: "${{ secrets.DOCKER_CLOUD_BUILD_ENDPOINT }}"