name: 'Docker Release'

on:
  push:
    branches:
      - master
    paths:
      - '.github/workflows/docker-release.yml'
      - 'lib/**'
      - '!lib/**/*.test.ts'
      - 'Dockerfile'
  workflow_dispatch: {}

jobs:
  check-env:
    permissions:
      contents: none
    runs-on: ubuntu-latest
    timeout-minutes: 5
    outputs:
      check-docker: ${{ steps.check-docker.outputs.defined }}
    steps:
      - id: check-docker
        env:
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
        if: ${{ env.DOCKER_USERNAME != '' }}
        run: echo "defined=true" >> $GITHUB_OUTPUT
  release:
    runs-on: ubuntu-latest
    needs: check-env
    if: needs.check-env.outputs.check-docker == 'true'
    timeout-minutes: 120
    permissions:
      packages: write
      id-token: write
    steps:
      - name: Enable ZRAM
        # Reduce memory pressure
        # PERCENT=100 is safe: https://fedoraproject.org/wiki/Changes/Scale_ZRAM_to_full_memory_size
        run: |
          sudo apt-get update -yq
          sudo apt-get install -yq "linux-modules-extra-$(uname -r)" zram-tools
          echo -e 'ALGO=lz4\nPERCENT=100' | sudo tee -a /etc/default/zramswap
          sudo systemctl restart zramswap
          swapon

      - name: Checkout
        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0

      - name: Install cosign
        if: github.event_name != 'pull_request'
        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0

      - name: Set up QEMU
        uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3.7.0

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1

      - name: Log in to Docker Hub
        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Log in to the Container registry
        uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract Docker metadata (ordinary version)
        id: meta-ordinary
        uses: docker/metadata-action@318604b99e75e41977312d83839a89be02ca4893 # v5.9.0
        with:
          images: |
            ${{ secrets.DOCKER_USERNAME }}/rsshub
            ghcr.io/${{ github.repository }}
          tags: |
            type=raw,value=latest,enable=true
            type=raw,value={{date 'YYYY-MM-DD'}},enable=true
            type=sha,format=long,prefix=,enable=true
          flavor: latest=false

      - name: Build and push Docker image (ordinary version)
        id: build-and-push
        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
        with:
          context: .
          push: true
          tags: ${{ steps.meta-ordinary.outputs.tags }}
          labels: ${{ steps.meta-ordinary.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha,scope=docker-release
          cache-to: type=gha,mode=max,scope=docker-release
          outputs: type=image,compression=zstd,force-compression=true

      - name: Sign the published Docker image
        if: ${{ github.event_name != 'pull_request' }}
        env:
          COSIGN_EXPERIMENTAL: 'true'
        run: echo "${{ steps.meta-ordinary.outputs.tags }}" | xargs -I {} cosign sign --yes {}@${{ steps.build-and-push.outputs.digest }}

      - name: Extract Docker metadata (Chromium-bundled version)
        id: meta-chromium-bundled
        uses: docker/metadata-action@318604b99e75e41977312d83839a89be02ca4893 # v5.9.0
        with:
          images: |
            ${{ secrets.DOCKER_USERNAME }}/rsshub
            ghcr.io/${{ github.repository }}
          tags: |
            type=raw,value=chromium-bundled,enable=true
            type=raw,value=chromium-bundled-{{date 'YYYY-MM-DD'}},enable=true
            type=sha,format=long,prefix=chromium-bundled-,enable=true
          flavor: latest=false

      - name: Build and push Docker image (Chromium-bundled version)
        id: build-and-push-chromium
        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
        with:
          context: .
          build-args: PUPPETEER_SKIP_DOWNLOAD=0
          push: true
          tags: ${{ steps.meta-chromium-bundled.outputs.tags }}
          labels: ${{ steps.meta-chromium-bundled.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          cache-from: |
            type=registry,ref=${{ secrets.DOCKER_USERNAME }}/rsshub:chromium-bundled
          cache-to: type=inline,ref=${{ secrets.DOCKER_USERNAME }}/rsshub:chromium-bundled  # inline cache is enough
          outputs: type=image,compression=zstd,force-compression=true

      - name: Sign the published Docker image
        if: ${{ github.event_name != 'pull_request' }}
        env:
          COSIGN_EXPERIMENTAL: 'true'
        run: echo "${{ steps.meta-chromium-bundled.outputs.tags }}" | xargs -I {} cosign sign --yes {}@${{ steps.build-and-push-chromium.outputs.digest }}

  description:
    runs-on: ubuntu-latest
    needs: check-env
    if: needs.check-env.outputs.check-docker == 'true'
    timeout-minutes: 5
    steps:
      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0

      - name: Docker Hub Description
        uses: peter-evans/dockerhub-description@1b9a80c056b620d92cedb9d9b5a223409c68ddfa # v5.0.0
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
          repository: ${{ secrets.DOCKER_USERNAME }}/rsshub