name: Docker Image CI - Docker Hub

on:
    workflow_dispatch:
        inputs:
            node_version:
                description: 'Node.js version to build this image with.'
                type: choice
                required: true
                default: '24'
                options:
                    - '20'
                    - '24'
            tag_version:
                description: 'Tag version of the image to be pushed.'
                type: string
                required: true
                default: 'latest'

permissions:
    contents: read

jobs:
    prepare:
        runs-on: ubuntu-latest
        outputs:
            node_version: ${{ steps.defaults.outputs.node_version }}
            tag_version: ${{ steps.defaults.outputs.tag_version }}
        steps:
            - name: Set default values
              id: defaults
              env:
                  NODE_VERSION_INPUT: ${{ github.event.inputs.node_version || '24' }}
                  TAG_VERSION_INPUT: ${{ github.event.inputs.tag_version || 'latest' }}
              run: |
                  echo "node_version=${NODE_VERSION_INPUT}" >> $GITHUB_OUTPUT
                  echo "tag_version=${TAG_VERSION_INPUT}" >> $GITHUB_OUTPUT

    build:
        needs: prepare
        runs-on: ${{ matrix.runner }}
        strategy:
            fail-fast: false
            matrix:
                include:
                    - image: flowiseai/flowise
                      dockerfile: ./docker/Dockerfile
                      platform: linux/amd64
                      runner: ubuntu-latest
                    - image: flowiseai/flowise
                      dockerfile: ./docker/Dockerfile
                      platform: linux/arm64
                      runner: ubuntu-24.04-arm
                    - image: flowiseai/flowise-worker
                      dockerfile: docker/worker/Dockerfile
                      platform: linux/amd64
                      runner: ubuntu-latest
                    - image: flowiseai/flowise-worker
                      dockerfile: docker/worker/Dockerfile
                      platform: linux/arm64
                      runner: ubuntu-24.04-arm
        steps:
            - name: Prepare env
              run: |
                  platform=${{ matrix.platform }}
                  echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
                  image=${{ matrix.image }}
                  echo "IMAGE_SLUG=${image//\//-}" >> $GITHUB_ENV

            - name: Checkout
              uses: actions/checkout@v6.0.2

            - name: Set up Docker Buildx
              uses: docker/setup-buildx-action@v4.0.0

            - name: Login to Docker Hub
              uses: docker/login-action@v4
              with:
                  username: ${{ secrets.DOCKERHUB_USERNAME }}
                  password: ${{ secrets.DOCKERHUB_TOKEN }}

            - name: Build and push by digest
              id: build
              uses: docker/build-push-action@v6.19.2
              with:
                  context: .
                  file: ${{ matrix.dockerfile }}
                  platforms: ${{ matrix.platform }}
                  build-args: |
                      NODE_VERSION=${{ needs.prepare.outputs.node_version }}
                  outputs: type=image,name=${{ matrix.image }},push-by-digest=true,name-canonical=true,push=true

            - name: Export digest
              run: |
                  mkdir -p ${{ runner.temp }}/digests
                  digest="${{ steps.build.outputs.digest }}"
                  touch "${{ runner.temp }}/digests/${digest#sha256:}"

            - name: Upload digest
              uses: actions/upload-artifact@v4
              with:
                  name: digests-${{ env.IMAGE_SLUG }}-${{ env.PLATFORM_PAIR }}
                  path: ${{ runner.temp }}/digests/*
                  if-no-files-found: error
                  retention-days: 1

    merge:
        needs: [prepare, build]
        runs-on: ubuntu-latest
        strategy:
            fail-fast: false
            matrix:
                image:
                    - flowiseai/flowise
                    - flowiseai/flowise-worker
        steps:
            - name: Prepare env
              run: |
                  image=${{ matrix.image }}
                  echo "IMAGE_SLUG=${image//\//-}" >> $GITHUB_ENV

            - name: Download digests
              uses: actions/download-artifact@v4
              with:
                  path: ${{ runner.temp }}/digests
                  pattern: digests-${{ env.IMAGE_SLUG }}-linux-*
                  merge-multiple: true

            - name: Set up Docker Buildx
              uses: docker/setup-buildx-action@v4.0.0

            - name: Login to Docker Hub
              uses: docker/login-action@v4
              with:
                  username: ${{ secrets.DOCKERHUB_USERNAME }}
                  password: ${{ secrets.DOCKERHUB_TOKEN }}

            - name: Create manifest list and push
              working-directory: ${{ runner.temp }}/digests
              run: |
                  docker buildx imagetools create \
                      -t ${{ matrix.image }}:${{ needs.prepare.outputs.tag_version }} \
                      $(printf '${{ matrix.image }}@sha256:%s ' *)

            - name: Inspect image
              run: |
                  docker buildx imagetools inspect ${{ matrix.image }}:${{ needs.prepare.outputs.tag_version }}