name: Build Docker Image
on:
  push:
    branches:
      - main
  schedule:
    - cron: '@monthly'
jobs:
  build-amd64:
    runs-on: linux_amd
    name: Build AMD64
    container:
      image: catthehacker/ubuntu:act-latest
    env:
      DOCKER_ORG: technocloud-public
      RUNNER_TOOL_CACHE: /toolcache
    strategy:
      matrix:
        python-version: ['3.10']
    outputs:
      digest-3-10: ${{ steps.digest.outputs.3_10_DIGEST }}
      digest-3-11: ${{ steps.digest.outputs.3_11_DIGEST }}
      digest-3-12: ${{ steps.digest.outputs.3_12_DIGEST }}
      digest-3-13: ${{ steps.digest.outputs.3_13_DIGEST }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          github-server-url: https://gitea.technocloud.ee
      - name: Set up Docker BuildX
        uses: docker/setup-buildx-action@v3
        with:
          platforms: linux/amd64
      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          registry: gitea.technocloud.ee
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      - name: Get Meta
        id: meta
        run: |
          echo REPO_NAME=$(echo ${GITHUB_REPOSITORY} | awk -F"/" '{print $2}') >> $GITHUB_OUTPUT
      - name: Build and Push AMD64
        id: build
        uses: docker/build-push-action@v5
        with:
          context: .
          file: Dockerfile.python${{ matrix.python-version }}
          platforms: linux/amd64
          push: true
          provenance: false
          outputs: type=image,name=gitea.technocloud.ee/${{ env.DOCKER_ORG }}/${{ steps.meta.outputs.REPO_NAME }},push-by-digest=true
      - name: Summarize the Docker digest
        id: digest
        run: |
          PY_VERSION=${{ matrix.python-version }}
          PY_VERSION_MOD=$(echo $PY_VERSION | sed 's/\./_/g')
          echo ${PY_VERSION_MOD}_DIGEST="${{ steps.build-docker.outputs.digest }}" >> $GITHUB_OUTPUT

  build-arm64:
    runs-on: ubuntu-latest
    name: Build ARM64
    container:
      image: catthehacker/ubuntu:act-latest
    env:
      DOCKER_ORG: technocloud-public
      RUNNER_TOOL_CACHE: /toolcache
    strategy:
      matrix:
        python-version: ['3.10']
    outputs:
      digest-3-10: ${{ steps.digest.outputs.3_10_DIGEST }}
      digest-3-11: ${{ steps.digest.outputs.3_11_DIGEST }}
      digest-3-12: ${{ steps.digest.outputs.3_12_DIGEST }}
      digest-3-13: ${{ steps.digest.outputs.3_13_DIGEST }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          github-server-url: https://gitea.technocloud.ee
      - name: Set up Docker BuildX
        uses: docker/setup-buildx-action@v3
        with:
          platforms: linux/arm64
      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          registry: gitea.technocloud.ee
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      - name: Get Meta
        id: meta
        run: |
          echo REPO_NAME=$(echo ${GITHUB_REPOSITORY} | awk -F"/" '{print $2}') >> $GITHUB_OUTPUT
      - name: Build and Push ARM64
        id: build-docker
        uses: docker/build-push-action@v6
        with:
          context: .
          file: Dockerfile.python${{ matrix.python-version }}
          platforms: linux/arm64
          push: true
          provenance: false
          outputs: type=image,name=gitea.technocloud.ee/${{ env.DOCKER_ORG }}/${{ steps.meta.outputs.REPO_NAME }},push-by-digest=true
      - name: Summarize the Docker digest
        id: digest
        run: |
          PY_VERSION=${{ matrix.python-version }}
          PY_VERSION_MOD=$(echo $PY_VERSION | sed 's/\./_/g')
          echo ${PY_VERSION_MOD}_DIGEST="${{ steps.build-docker.outputs.digest }}" >> $GITHUB_OUTPUT
          

  create-manifest:
    needs: [build-arm64]
    runs-on: ubuntu-latest
    name: Create Multi-arch Manifest
    env:
      DOCKER_ORG: technocloud-public
    strategy:
      matrix:
        python-version: ['3.10']
    steps:
      - name: Login to Docker Registry
        uses: docker/login-action@v3
        with:
          registry: gitea.technocloud.ee
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Set up Docker BuildX
        uses: docker/setup-buildx-action@v3
        with:
          driver: docker-container

      - name: Get Repository Metadata
        id: meta
        run: |
          echo "REPO_NAME=${GITHUB_REPOSITORY}" >> $GITHUB_OUTPUT

      - name: Create and Push Multi-arch Manifest
        run: |
          PY_VERSION=${{ matrix.python-version }}
          PY_VERSION_MOD=$(echo $PY_VERSION | sed 's/\./-/g')
          echo "Digest 3UUUU: ${{ needs.build-arm64.outputs['digest-${PY_VERSION_MOD}'] }}"
          echo '${{ toJSON(needs.build-arm64.outputs) }}'
          echo '${{ toJSON(needs.build-amd64.outputs) }}'
          ARM_SHA=${{ needs.build-arm64.outputs['digest-${PY_VERSION_MOD}'] }}
          AMD_SHA=${{ needs.build-amd64.outputs['digest-${PY_VERSION_MOD}'] }}
          IMAGE_NAME=gitea.technocloud.ee/${{ env.DOCKER_ORG }}/${{ steps.meta.outputs.REPO_NAME }}:python${{ matrix.python-version }}
          docker manifest create $IMAGE_NAME --amend gitea.technocloud.ee/technocloud-public/nginx-unit@${ARM_SHA} --amend gitea.technocloud.ee/technocloud-public/nginx-unit@${AMD_SHA} 
          docker manifest push $IMAGE_NAME