ci.yml

name: CI

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

# Cancel superseded runs on the same ref.
concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  backend:
    name: Backend · tests (Python ${{ matrix.python-version }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.11", "3.12"]
    defaults:
      run:
        working-directory: backend
    env:
      DEMO_MODE: "true"
    steps:
      - uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          cache: pip
          cache-dependency-path: backend/requirements.txt

      - name: Install dependencies
        run: pip install -r requirements.txt

      - name: Run pipeline test suite
        run: python -m pytest

  frontend:
    name: Frontend · build
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: frontend
    steps:
      - uses: actions/checkout@v4

      - name: Set up Node
        uses: actions/setup-node@v4
        with:
          node-version: "20"
          cache: npm
          cache-dependency-path: frontend/package-lock.json

      - name: Install dependencies
        run: npm ci

      - name: Build production bundle
        run: npm run build