ci.yml

name: Build and push image to registry

on:
  push:
    branches:
      - main
  schedule:
    - cron: '0 10 1,15 * *'
  workflow_dispatch:

env:
  image: code4romania/php

jobs:
  build:
    name: PHP ${{ matrix.php-version }} ${{ matrix.platform }}
    runs-on: ubuntu-latest
    timeout-minutes: 10
    strategy:
      fail-fast: false
      matrix:
        php-version:
          - 8.2
        platform:
          - linux/amd64
          - linux/arm64
          - linux/arm/v7

    steps:
      - name: Prepare
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV

      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: ${{ matrix.platform }}

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: code4romania/php
          tags: ${{ matrix.php-version }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          platforms: ${{ matrix.platform }}

      - name: Login to the container registry
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v6
        with:
          platforms: ${{ matrix.platform }}
          file: ${{ matrix.php-version }}/Dockerfile
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.image }},push-by-digest=true,name-canonical=true,push=true

      - 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-${{ env.PLATFORM_PAIR }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

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

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

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.image }}

      - name: Login to the container registry
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

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

      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.image }}:${{ steps.meta.outputs.version }}