rssnotify/.github/workflows/docker-publish.yml at main · transformable-app/rssnotify · GitHub

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name: Publish Docker Image

on:
  push:
    branches:
      - main
    tags:
      - 'v*'
      - '*.*.*'
  release:
    types:
      - published
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: transformable-app/rssnotify

jobs:
  build:
    strategy:
      matrix:
        include:
          - platform: linux/amd64
            runner: ubuntu-latest
            arch: amd64
          - platform: linux/arm64
            runner: ubuntu-24.04-arm
            arch: arm64
    runs-on: ${{ matrix.runner }}
    permissions:
      contents: read
      packages: write

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

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

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

      - name: Build and push
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          platforms: ${{ matrix.platform }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
          cache-from: type=gha
          cache-to: type=gha,mode=max,scope=${{ matrix.arch }}

      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ matrix.arch }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  manifest:
    needs: build
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

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

      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          tags="$(jq -r '.tags[] | "-t " + .' <<< '${{ steps.meta.outputs.json }}')"
          docker buildx imagetools create $tags \
            $(printf '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)