cronmaster/.github/workflows/docker-build.yml

name: Reusable Docker Build Logic

on:
  workflow_call:
    inputs:
      platform: { required: true, type: string }
      suffix: { required: true, type: string }
      runner: { required: true, type: string }
    secrets:
      token: { required: true }

jobs:
  build:
    runs-on: ${{ inputs.runner }}
    permissions: { contents: read, packages: write }
    steps:
      - { name: Checkout repository, uses: actions/checkout@v4 }

      - name: "Prepare repository name in lowercase"
        id: repo
        run: echo "name=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT

      - { name: Set up QEMU, uses: docker/setup-qemu-action@v3 }
      - { name: Set up Docker Buildx, uses: docker/setup-buildx-action@v3 }
      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.token }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/${{ steps.repo.outputs.name }}
          tags: |
            type=ref,event=branch,suffix=${{ inputs.suffix }}
            type=ref,event=tag,suffix=${{ inputs.suffix }}
            type=raw,value=latest,suffix=${{ inputs.suffix }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: ${{ inputs.platform }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max