name: Build and Publish Docker Container

on:
  push:
    branches:
      - main
      - docker_container
  release:
    types: [published]
  workflow_dispatch:


concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      packages: write

    environment:
      name: Production

    strategy:
      fail-fast: false
      matrix:
        platform:
          - linux/amd64
          - linux/arm/v6
          - linux/arm/v7
          - linux/arm64

    steps:

    - name: Checkout repository
      uses: actions/checkout@v4

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

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v3

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

    - name: Build and push Docker image
      id: build
      uses: docker/build-push-action@v6
      with:
        platforms: ${{ matrix.platform }}
        context: .
        tags: ${{ steps.meta.outputs.tags }}
        outputs: type=image,name=freqtradeorg/frequi,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:
        # list of Docker images to use as base name for tags
        images: |
          freqtradeorg/frequi
          ghcr.io/freqtrade/frequi
        # generate Docker tags based on the following events/attributes
        tags: |
           type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
           type=semver,pattern={{version}}
           type=ref,event=branch

    - name: Login to Docker Hub
      uses: docker/login-action@v3
      with:
        username: ${{ secrets.DOCKERHUB_USERNAME }}
        password: ${{ secrets.DOCKERHUB_TOKEN }}

    - name: Login to GitHub Container Registry
      uses: docker/login-action@v3
      with:
        registry: ghcr.io
        username: ${{ github.repository_owner }}
        password: ${{ secrets.GITHUB_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.REGISTRY_IMAGE }}@sha256:%s ' *)

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