version: "3.9"

# ─────────────────────────────────────────────────────────────────────────────
# AI Battery Lifecycle Predictor — Docker Compose
#
# Services
# ────────
#  app        Production: single container (React SPA + FastAPI, port 7860)
#  api-dev    Development: backend only with hot-reload (activate with --profile dev)
#
# Usage
# ─────
#  Production:   docker compose up --build
#  Development:  docker compose --profile dev up api-dev
#                (then separately: cd frontend && npm run dev)
# ─────────────────────────────────────────────────────────────────────────────

services:

  # ── Production ──────────────────────────────────────────────────────────────
  app:
    build:
      context: .
      dockerfile: Dockerfile
    image: battery-lifecycle:latest
    container_name: battery_lifecycle
    ports:
      - "7860:7860"
    environment:
      LOG_LEVEL: "INFO"
      WORKERS: "1"
    volumes:
      # Persist rotated log files on the host
      - ./artifacts/logs:/app/artifacts/logs
    healthcheck:
      test:
        - CMD
        - python
        - -c
        - "import urllib.request; urllib.request.urlopen('http://localhost:7860/health')"
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 90s          # give models time to load
    restart: unless-stopped

  # ── Development (backend only, hot-reload) ──────────────────────────────────
  api-dev:
    build:
      context: .
      dockerfile: Dockerfile
      target: runtime             # stop before copying built frontend
    image: battery-lifecycle:dev
    container_name: battery_lifecycle_dev
    command: >
      uvicorn api.main:app
      --host 0.0.0.0
      --port 7860
      --reload
    ports:
      - "7860:7860"
    environment:
      LOG_LEVEL: "DEBUG"
    volumes:
      - ./api:/app/api            # live-reload source changes
      - ./src:/app/src
      - ./artifacts:/app/artifacts
    profiles:
      - dev