docker.yml

name: Build FAB Flatland 3 Starterkit Docker Image and upload to ghcr.io

on:
  workflow_dispatch:
    inputs:
      tag:
        description: 'Image Tag'
        required: true

jobs:
  build-flatland-submission-template:
    name: Build Flatland 3 Starterkit Docker Image
    runs-on: ubuntu-latest
    permissions:
      packages: write
    steps:
      - uses: actions/checkout@v4
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Convert to github_repo_name and tag string to lowercase
        id: convert2lowercase
        run: INPUT=${{ github.repository }}:${{ github.event.inputs.tag }}; echo "REPO_TAG_LOWERCASE=${INPUT,,}">>${GITHUB_OUTPUT}
      - run: echo ${{steps.convert2lowercase.outputs.REPO_TAG_LOWERCASE}} 
      - name: Build and Push Container Image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: Dockerfile
          platforms: linux/amd64,linux/arm64/v8
          push: true
          tags: |
             ghcr.io/${{ steps.convert2lowercase.outputs.REPO_TAG_LOWERCASE }}