name: Build Docker images

on:
  push:
    branches:
      - main
  workflow_dispatch:

jobs:
  docker:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: true
      matrix:
        repo:
          - eumau/postgres
        tag:
          - "13"
          - latest
    steps:
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      -
        name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Build and push image
        uses: docker/build-push-action@v5
        with:
          push: true
          tags: ${{ matrix.repo }}:${{ matrix.tag }}
          platforms: linux/amd64,linux/arm64
          build-args: |
            PG_TAG=${{ matrix.tag }}