build-and-push-images.yml

name: Build Images

on:
  push:
    branches: ['master']

permissions:
  packages: write
  contents: read

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        include:
          - { postgres: '17', alpine: '3.21' }
          - { postgres: '18', alpine: '3.22' }

    steps:
      - name: Checkout repository
        uses: actions/checkout@v5

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login Docker registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ghcr.io/${{ github.repository }}:${{ matrix.postgres }}
          build-args: |
            ALPINE_VERSION=${{ matrix.alpine }}
            PG_VERSION=${{ matrix.postgres }}
          platforms: |
            linux/amd64
            linux/arm64