reuseable-build-and-push.yaml

name: Reusable Build and Push

on:
  workflow_call:
    inputs:
      image_name:
        required: true
        type: string
      context_path:
        required: true
        type: string

env:
  REGISTRY: ghcr.io

jobs:
  build-and-push-image:
    runs-on: blacksmith-4vcpu-ubuntu-2204
    permissions:
      contents: read
      packages: write
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4.2.1

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v3.2.0
      
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3.7.1

    - name: Login to GitHub Container Registry
      uses: docker/login-action@v3.3.0
      with:
        registry: ${{ env.REGISTRY }}
        username: ${{ github.repository_owner }}
        password: ${{ secrets.GITHUB_TOKEN }}
    
    - name: Extract metadata (tags, labels) for Docker
      id: meta
      uses: docker/metadata-action@v5.5.1
      with:
        images: ${{ env.REGISTRY }}/${{ github.repository }}/${{ inputs.image_name }}

    - name: Build and push
      id: push
      uses: useblacksmith/build-push-action@v1
      with:
        context: ${{ inputs.context_path }}
        platforms: linux/amd64,linux/arm64
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}

    - name: Print Digest
      run: echo ${{ steps.push.outputs.digest }}