name: Build

on:
  workflow_dispatch:
  push:
    branches:
      - main

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    strategy:
      matrix:
        postgres_version: [12, 13, 14, 15]
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to Github Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN  }}

      # Build and push the container to the GitHub Container
      # Repository. The container will be tagged as "latest"
      # and with the short SHA of the commit.
      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ./Dockerfile
          push: true
          cache-from: type=registry,ref=ghcr.io/owl-corp/psql_extended:${{ matrix.postgres_version }}
          cache-to: type=inline
          tags: |
            ghcr.io/owl-corp/psql_extended:${{ matrix.postgres_version }}
          build-args: |
            postgres_version=${{ matrix.postgres_version }}