name: build docker image

on:
  workflow_dispatch:
  push:
    branches:
      - 'main'
  pull_request:
    branches:
      - 'main'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:

  build-and-push-image:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Login to image repository
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GHCR_TOKEN }}

      - name: Set up Flutter
        uses: subosito/flutter-action@v2
        with:
          channel: stable
          flutter-version: 3

      - name: Build Web
        run: |
          cd ui
          flutter pub get
          flutter build web --no-web-resources-cdn
          
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push
        id: push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: Dockerfile
          push: true
          platforms: linux/amd64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            TMDB_API_KEY=${{ secrets.TMDB_API_KEY }}