docker-build-on-release.yml

name: Upload release to DockerHub

on:
  release:
    types: [published]

jobs:
  docker:

    runs-on: ubuntu-latest

    steps:
      - 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: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: fredericklab/picachooser

      - name: Free disk space
        run: | 
          df -h
          sudo rm -rf ${GITHUB_WORKSPACE}/.git
          sudo swapoff -a
          sudo rm -f /swapfile
          sudo apt clean
          sudo rm -rf /usr/share/dotnet
          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
          df -h

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v6
        with:
          platforms: linux/amd64,linux/arm64
          push: true
          cache-from: type=gha
          cache-to: type=gha,mode=max
          tags: |
              ${{ steps.meta.outputs.tags }}
              fredericklab/picachooser:latest-release
          labels: ${{ steps.meta.outputs.labels }}