docker.yaml

# The workflow to build and push the docker image to the Docker Hub and GitHub Container Registry on each release
# Builds multiplatform images for the linux/amd64, linux/arm64, and linux/s390x platforms
# The workflow has additional trigger on pull requests to check image building

name: Docker

on:
  pull_request:
    branches: [main]
  push:
    branches: [main]

permissions:
  packages: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: docker/setup-qemu-action@v3
      - uses: docker/setup-buildx-action@v3

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ github.repository_owner }}
          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 }}

      - uses: docker/metadata-action@v5
        id: meta
        with:
          images: |
            ${{ github.repository }}
            ghcr.io/${{ github.repository }}

      - uses: docker/build-push-action@v6
        with:
          context: .
          annotations: ${{ steps.meta.outputs.annotations }}
          labels: ${{ steps.meta.outputs.labels }}
          tags: ${{ steps.meta.outputs.tags }}
          platforms: linux/amd64,linux/arm64,linux/s390x
          provenance: false
          push: ${{ github.event_name == 'push' }}