on:
  push:
  pull_request:
  workflow_dispatch:

jobs:
  build:
    name: build-${{matrix.tag}}
    runs-on: docker
    container: node:22-bullseye
    strategy:
      matrix:
        tag:
          - openjdk-11-maven-3.8.6
          - python-3.11
          - python-3.13
    steps:
      - name: Clone git repo
        uses: actions/checkout@v3

      - name: List modified files
        uses: tj-actions/changed-files@v45
        with:
          files: |
            ${{matrix.tag}}/**
        id: changed

      - name: Install Buildah
        run: apt update; apt install -y buildah
        if: >-
          github.event_name == 'workflow_dispatch'
          || steps.changed.outputs.any_changed == 'true'

      - name: Build OCI image
        run: make ${{matrix.tag}}
        if: >-
          github.event_name == 'workflow_dispatch'
          || steps.changed.outputs.any_changed == 'true'

      - name: Push image to OCI registry
        run: make push-${{matrix.tag}}
        if: >-
          github.ref == 'refs/heads/master' &&
          (github.event_name == 'workflow_dispatch' ||
          (steps.changed.outputs.any_changed == 'true' && github.event_name == 'push'))
        env:
          REGISTRY_PASSWORD: ${secrets.REGISTRY_PASSWORD}