synctv/.github/workflows/release_docker.yml

name: release_docker

on:
  push:
    tags:
      - "v*"

jobs:
  build:
    name: Release Docker
    runs-on: ubuntu-latest
    strategy:
      matrix:
        platforms:
          - linux/amd64
          - linux/arm64
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: synctvorg/synctv
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}            

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

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

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

      - name: Prepare
        id: prepare
        run: |
          echo "VERSION=${GITHUB_REF/refs\/tags\/v/}" >> $GITHUB_OUTPUT
          echo "TARFILE=${platforms//\//-}.tar" >> $GITHUB_OUTPUT          

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v5
        with:
          context: .
          build-args:
            VERSION=v${{ steps.prepare.outputs.VERSION }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: ${{ matrix.platforms }}
          outputs: type=docker,dest=/tmp/images/${{ steps.prepare.outputs.TARFILE }}

      - name: Upload image
        uses: actions/upload-artifact@v4
        with:
          name: images
          path: /tmp/images/${{ steps.prepare.outputs.TARFILE }}
          if-no-files-found: error
          retention-days: 1

  push:
    runs-on: ubuntu-latest
    needs:
      - build
    services:
      registry:
        image: registry:2
        ports:
          - 5000:5000
    steps:
      -
        name: Download images
        uses: actions/download-artifact@v3
        with:
          name: images
          path: /tmp/images
      -
        name: Load images
        run: |
          for image in /tmp/images/*.tar; do
            docker load -i $image
          done          
      -
        name: Push images to local registry
        run: |
                    docker push -a ${{ env.TMP_LOCAL_IMAGE }}
      -
        name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Create manifest list and push
        run: |
          docker buildx imagetools create -t ${{ env.REGISTRY_IMAGE }}:${{ env.REGISTRY_TAG }} \
            $(docker image ls --format '{{.Repository}}:{{.Tag}}' '${{ env.TMP_LOCAL_IMAGE }}' | tr '\n' ' ')          
      -
        name: Inspect image
        run: |
                    docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ env.REGISTRY_TAG }}