NicTool/.github/workflows/ci-image.yml at master · nosolutions/NicTool · GitHub

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name: CI Image

on:
  push:
    branches: [master]
    paths:
      - 'dist/docker/Dockerfile'
      - '.github/workflows/ci-image.yml'
      - 'server/Makefile.PL'
      - 'client/Makefile.PL'
  workflow_dispatch:

permissions:
  contents: read
  packages: write

env:
  IMAGE: ghcr.io/${{ github.repository }}/build

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        include:
          - platform: linux/amd64
            runner:   ubuntu-24.04
          - platform: linux/arm64
            runner:   ubuntu-24.04-arm
    runs-on: ${{ matrix.runner }}
    steps:
      - uses: actions/checkout@v6

      - name: Lowercase image name
        id: meta
        run: |
          echo "image=$(echo $IMAGE | tr '[:upper:]' '[:lower:]')" >> "$GITHUB_OUTPUT"
          echo "platform_pair=$(echo ${{ matrix.platform }} | tr / -)" >> "$GITHUB_OUTPUT"

      - uses: docker/setup-buildx-action@v4

      - uses: docker/login-action@v4
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # On master: build and push by digest, then merge job tags :latest.
      # On any other ref (workflow_dispatch from a feature branch): build only,
      # to validate the Dockerfile without writing to GHCR.
      - id: build
        uses: docker/build-push-action@v7
        with:
          context: .
          file: dist/docker/Dockerfile
          target: base
          platforms: ${{ matrix.platform }}
          tags: ${{ steps.meta.outputs.image }}
          outputs: type=image,push-by-digest=true,name-canonical=true,push=${{ github.ref == 'refs/heads/master' }}
          cache-from: type=gha,scope=${{ steps.meta.outputs.platform_pair }}
          cache-to:   type=gha,scope=${{ steps.meta.outputs.platform_pair }},mode=max

      - name: Export digest
        if: github.ref == 'refs/heads/master'
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"

      - uses: actions/upload-artifact@v4
        if: github.ref == 'refs/heads/master'
        with:
          name: digest-${{ steps.meta.outputs.platform_pair }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    if: github.ref == 'refs/heads/master'
    runs-on: ubuntu-24.04
    needs: build
    steps:
      - name: Lowercase image name
        id: meta
        run: echo "image=$(echo $IMAGE | tr '[:upper:]' '[:lower:]')" >> "$GITHUB_OUTPUT"

      - uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digest-*
          merge-multiple: true

      - uses: docker/setup-buildx-action@v4

      - uses: docker/login-action@v4
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Create multi-arch manifest
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create \
            -t ${{ steps.meta.outputs.image }}:latest \
            $(printf '${{ steps.meta.outputs.image }}@sha256:%s ' *)

      - name: Inspect manifest
        run: docker buildx imagetools inspect ${{ steps.meta.outputs.image }}:latest