name: Docker

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  release:
    types:
      - published

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            icinga/icinga-kubernetes
          tags: |
            type=edge
            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 Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          file: Containerfile
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          # Keep the .git to allow including the commit in the --version output, see also:
          # https://docs.docker.com/build/building/context/#keep-git-directory
          build-args: |
            BUILDKIT_CONTEXT_KEEP_GIT_DIR=1
