docker-build.yml

# Based on https://github.com/ajayyy/sb-mirror/blob/main/.github/workflows/docker-build.yml
name: multi-build-docker
on: 
  workflow_call:
    inputs:
      name:
        required: true
        type: string
      username:
        required: true
        type: string
      folder:
        required: true
        type: string
    secrets:
      GH_TOKEN:
        required: true

jobs:
  build_container:
    runs-on: ubuntu-latest
    permissions:
      packages: write
    steps:
      - uses: actions/checkout@v3
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            ghcr.io/${{ inputs.username }}/${{ inputs.name }}
          tags: |
            type-raw,value=alpine
          flavor: |
            latest=true
      - name: Login to GHCR
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GH_TOKEN }}
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: arm,arm64
      - name: Set up buildx
        uses: docker/setup-buildx-action@v1
      - name: push
        uses: docker/build-push-action@v3
        with:
          context: ${{ inputs.folder }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}