documentation/.github/workflows/docker-build.yml at master · nextcloud/documentation · GitHub

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name: Build and publish sphinx-latex Docker image

on:
  push:
    branches:
      - master
    paths:
      - ".devcontainer/**"
  pull_request:
    paths:
      - ".devcontainer/**"
  workflow_dispatch:

permissions:
  contents: read
  packages: write

jobs:
  build-and-publish:
    name: Build and publish sphinx-latex Docker image
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@d7f5e7f509e45cec5c76c4d5afdd7de93d0b3df5 # v4.1.0

      - name: Login to GitHub Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4.2.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@80c7e94dd9b9319bd5eb7a0e0fe9291e23a2a2e9 # v6.1.0
        with:
          images: ghcr.io/${{ github.repository }}/sphinx-latex
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=sha,prefix=sha-

      - name: Build and publish Docker image
        uses: docker/build-push-action@f9f3042f7e2789586610d6e8b85c8f03e5195baf # v7.2.0
        with:
          context: .devcontainer
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=registry,ref=ghcr.io/${{ github.repository }}/sphinx-latex:latest
          cache-to: type=inline