name: Build & Publish Docker Image

on:
  push:
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+'

env:
  IMAGE: recklessop/zroc-ui
  CONTEXT: ./zroc-ui

jobs:
  build-and-push:
    name: Build & Push
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

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

      - name: Extract version from tag
        id: meta
        run: |
          VERSION=${GITHUB_REF_NAME#v}
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "tag=$GITHUB_REF_NAME"    >> $GITHUB_OUTPUT

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: ${{ env.CONTEXT }}
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            ${{ env.IMAGE }}:${{ steps.meta.outputs.version }}
            ${{ env.IMAGE }}:stable
            ${{ env.IMAGE }}:latest
          cache-from: type=gha
          cache-to:   type=gha,mode=max
          build-args: |
            BUILD_VERSION=${{ steps.meta.outputs.version }}
            BUILD_DATE=${{ github.event.repository.updated_at }}
            GIT_SHA=${{ github.sha }}

      - name: Update Docker Hub description
        uses: peter-evans/dockerhub-description@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
          repository: ${{ env.IMAGE }}
          readme-filepath: ./zroc-ui/DOCKER_README.md
          short-description: "zROC UI — Zerto Resiliency Observation Console frontend"