ctr.yaml

name: Build & publish ejabberd ctr image

on:
  push:
    branches:
      - "**"
    paths:
      - 'image/tag'
  workflow_dispatch:
    inputs:
      version:
        description: 'type yes - no publishing ...'
        required: true
env:
  REGISTRY: "ghcr.io"
  IMAGE_NAME: "sando38/helm-ejabberd"
  PATCH_DIR: "image"

jobs:
  build_and_push:
    name: ${{ matrix.config.arch }} - build container image
    runs-on: ${{ matrix.config.runs-on }}
    strategy:
      matrix:
        config:
          - { arch: amd64, runs-on: ubuntu-24.04 }
          - { arch: arm64, runs-on: ubuntu-24.04-arm }
      fail-fast: false
    steps:
      - name: Check out repository code
        uses: actions/checkout@v4

      - name: Extract container image tag
        run: |
          echo "TAG=$(awk 'END{print}' ${{ env.PATCH_DIR }}/tag)" >> $GITHUB_ENV
          echo "REF=$(awk 'END{gsub("-", " "); print $1}' ${{ env.PATCH_DIR }}/tag)" >> $GITHUB_ENV

      - name: Checkout ejabberd source code
        uses: actions/checkout@v4
        with:
          repository: processone/ejabberd
          path: ejabberd-source
          ref: ${{ env.REF }}

      - name: Patch source code and prepare build context
        working-directory: ./ejabberd-source
        run: git apply ../image/${{ env.REF }}/patches/*.patch

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

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

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

      - name: Build linux/${{ matrix.config.arch }} image
        uses: docker/build-push-action@v5
        id: build
        with:
          build-args: |
            METHOD=direct
            VERSION=${{ env.TAG }}
            VARIANT=hardened
          context: ./ejabberd-source/.
          file: ./image/${{ env.REF }}/Dockerfile
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/${{ matrix.config.arch }}
          outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true

      - name: Smoke Test
        run: |
          docker run -d --name ejabberd \
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${{ steps.build.outputs.digest }}
          docker exec ejabberd ejabberdctl started
          docker exec ejabberd ejabberdctl status
          docker stop ejabberd

      - name: Print container logs
        if: failure() || success()
        run: docker logs ejabberd

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

      - name: Upload digest | ${{ matrix.config.arch }}
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ matrix.config.arch }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 5

  publish:
    name: publish manifest
    runs-on: ubuntu-24.04
    needs: [build_and_push]
    steps:

      - name: Check out repository code
        uses: actions/checkout@v4

      - name: Extract container image tag
        run: |
          echo "TAG=$(awk 'END{print}' ${{ env.PATCH_DIR }}/tag)" >> $GITHUB_ENV

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

      - 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: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            ${{ env.TAG }}

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

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