images/.github/workflows/buildah.yml at main · makeitworkcloud/images · GitHub

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---
name: buildah

on:
  push:
    branches:
      - main
    paths:
      - '*/**'
      - '!.github/**'
  pull_request:
    paths:
      - '*/**'
      - '!.github/**'
  workflow_dispatch:
    inputs:
      mode:
        description: 'Run mode'
        type: choice
        options:
          - build & push
          - build
        default: build & push
      image:
        description: 'Image to build (leave empty for all)'
        required: false

permissions:
  contents: read
  packages: write

jobs:
  detect:
    runs-on: ubuntu-latest
    outputs:
      images: ${{ steps.find.outputs.images }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Find changed images
        id: find
        env:
          INPUT_IMAGE: ${{ inputs.image }}
        run: |
          if [ -n "$INPUT_IMAGE" ]; then
            # Specific image requested
            echo "images=[\"$INPUT_IMAGE\"]" >> "$GITHUB_OUTPUT"
          elif [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            # Manual trigger without specific image: build all
            echo "images=$(make list-images-json)" >> "$GITHUB_OUTPUT"
          else
            # Push event: only build changed images
            echo "images=$(make changed-images)" >> "$GITHUB_OUTPUT"
          fi

  build:
    name: ${{ inputs.mode || 'build & push' }}
    needs: detect
    if: needs.detect.outputs.images != '[]'
    runs-on: ubuntu-latest
    strategy:
      matrix:
        image: ${{ fromJson(needs.detect.outputs.images) }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install buildah, podman, and hadolint
        run: |
          sudo apt-get update
          sudo apt-get install -y buildah podman
          mkdir -p $HOME/.local/bin
          curl -sSL -o $HOME/.local/bin/hadolint \
            https://github.com/hadolint/hadolint/releases/download/v2.12.0/hadolint-Linux-x86_64
          chmod +x $HOME/.local/bin/hadolint
          echo "$HOME/.local/bin" >> $GITHUB_PATH

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: Run pre-commit
        uses: pre-commit/action@v3.0.1
        env:
          SKIP: no-commit-to-branch

      - name: Build image
        uses: redhat-actions/buildah-build@v2
        with:
          context: ${{ matrix.image }}
          containerfiles: ${{ matrix.image }}/Containerfile
          image: ${{ matrix.image }}
          tags: latest ${{ github.sha }}
          extra-args: --squash

      - name: Push to registry
        # Auto-deploy on push to main; for workflow_dispatch the user picks
        # "build & push" to publish or "build" to dry-run.
        if: |
          (github.event_name == 'push' && github.ref == 'refs/heads/main') ||
          (github.event_name == 'workflow_dispatch' && inputs.mode == 'build & push')
        uses: redhat-actions/push-to-registry@v2
        with:
          image: ${{ matrix.image }}
          tags: latest ${{ github.sha }}
          registry: ghcr.io/makeitworkcloud
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}