fpp/.github/workflows/docker-build.yml at 00eb6eebff8fbbed6fdfbf1a36094332b0cbb86a · FalconChristmas/fpp · GitHub

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name: Build and Publish Docker

on:
  push:
    branches:
      - "**"
    tags:
      - "*"
    paths-ignore:
      - "docs/**"
      - "*.md"
  workflow_dispatch:

jobs:
  build:
    name: Build ${{ matrix.arch }} image
    runs-on: ${{ matrix.runner }}
    permissions:
      contents: read
    strategy:
      fail-fast: false
      matrix:
        include:
          - arch: amd64
            platform: linux/amd64
            runner: ubuntu-latest
          - arch: arm64
            platform: linux/arm64
            runner: ubuntu-24.04-arm

    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Prepare build variables
        id: build
        run: |
          echo "image_repository=$(echo '${{ github.repository_owner }}' | tr '[:upper:]' '[:lower:]')" >> "${GITHUB_OUTPUT}"
          echo "image_name=fpp" >> "${GITHUB_OUTPUT}"

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Log in to Docker Hub
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build and push image by digest
        id: docker-build
        uses: docker/build-push-action@v7
        with:
          context: .
          file: ./Docker/Dockerfile
          build-args: |
            FPPBRANCH=${{ github.ref_name }}
          platforms: ${{ matrix.platform }}
          outputs: type=image,name=${{ steps.build.outputs.image_repository }}/${{ steps.build.outputs.image_name }},push-by-digest=true,name-canonical=true,push=true
          cache-from: type=gha,scope=fpp-build-docker-${{ matrix.arch }}
          cache-to: type=gha,scope=fpp-build-docker-${{ matrix.arch }},mode=max

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

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

  merge:
    name: Create multi-arch manifest and push
    runs-on: ubuntu-latest
    needs:
      - build
    permissions:
      contents: read

    steps:
      - name: Prepare build variables
        id: build
        run: |
          echo "release_date=$(date -u +"%Y-%m-%dT%H:%M:%SZ")" >> "${GITHUB_OUTPUT}"
          echo "image_repository=$(echo '${{ github.repository_owner }}' | tr '[:upper:]' '[:lower:]')" >> "${GITHUB_OUTPUT}"
          echo "image_name=fpp" >> "${GITHUB_OUTPUT}"

      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: ${{ runner.temp }}/digests
          pattern: digests-*
          merge-multiple: true

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Log in to Docker Hub
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v6
        with:
          flavor: |
            latest=false
          images: ${{ steps.build.outputs.image_repository }}/${{ steps.build.outputs.image_name }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=ref,event=branch,enable={{is_not_default_branch}}
            type=ref,event=tag
          labels: |
            org.opencontainers.image.created=${{ steps.build.outputs.release_date }}
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.source=https://github.com/${{ github.repository }}
            org.opencontainers.image.version=${{ github.ref_name }}

      - name: Create manifest list and push
        working-directory: ${{ runner.temp }}/digests
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ steps.build.outputs.image_repository }}/${{ steps.build.outputs.image_name }}@sha256:%s ' *)

      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ steps.build.outputs.image_repository }}/${{ steps.build.outputs.image_name }}:${{ steps.meta.outputs.version }}