build-and-push.yml

name: Build and push Docker image

# Turns out on release does not actually run on release. thanks microsoft
# See https://github.com/orgs/community/discussions/25281
# on:
#   release:
#     types: [published]
on:
  workflow_run:
    workflows: ['Bump Version and Create Release']
    types:
      - completed

jobs:
  build-and-push:
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4.1.6

      - name: Get Release Tag
        id: get_tag
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          TAG=$(gh release view --json tagName -q .tagName)
          echo "TAG=$TAG" >> "$GITHUB_ENV"

      # TAG=$(gh release view "${{ github.event.workflow_run.head_commit.id }}" --json tagName -q .tagName)
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3.2.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push Docker image
        uses: docker/build-push-action@v5.3.0
        with:
          context: .
          push: true
          tags: |
            ghcr.io/${{ github.repository_owner }}/bus-map:latest
            ghcr.io/${{ github.repository_owner }}/bus-map:${{ env.TAG }}

# ghcr.io/${{ github.repository_owner }}/bus-map:${{ github.event.release.tag_name }}