easypdf-lite/.github/workflows/container.yml at main · H1D/easypdf-lite · GitHub

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name: Build and Push Container

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

permissions:
  contents: read
  packages: write
  pull-requests: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - uses: docker/metadata-action@v5
        id: meta
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=sha
            type=ref,event=branch
            type=ref,event=pr
            type=raw,value=latest,enable={{is_default_branch}}

      - uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Containerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Update PR description with docker run command
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v7
        env:
          IMAGE_TAG: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:pr-${{ github.event.number }}
        with:
          script: |
            const image = process.env.IMAGE_TAG.toLowerCase();
            const marker = '<!-- container-preview -->';
            const previewBlock = [
              marker,
              '---',
              '**Container Preview:**',
              '```',
              `docker run --rm -p 3000:3000 ${image}`,
              '```',
            ].join('\n');

            const { data: pr } = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
            });

            let body = pr.body || '';

            if (body.includes(marker)) {
              body = body.replace(
                new RegExp(`${marker}[\\s\\S]*?\`\`\`\\n[^\`]*\`\`\``),
                previewBlock
              );
            } else {
              body = body.trimEnd() + '\n\n' + previewBlock;
            }

            await github.rest.pulls.update({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
              body,
            });