name: Publish Docker image

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:

permissions:
  contents: read

env:
  IMAGE_NAME: pichost

jobs:
  build-and-push:
    if: ${{ !contains(github.event.head_commit.message, '[skip docker]') }}
    runs-on: ubuntu-latest
    env:
      DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
      DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
    steps:
      - name: Checkout
        uses: actions/checkout@v7

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

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ env.DOCKERHUB_USERNAME }}
          password: ${{ env.DOCKERHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest
            type=semver,pattern={{version}}

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