version: "3.8"

# ============================================================
# BankBot AI — Docker Compose
#
# Development:  docker compose up -d
# Production:   docker compose --profile production up -d
# Seed data:    docker compose exec backend python app/scripts/seed_demo.py
# Logs:         docker compose logs -f backend
# Stop:         docker compose down
# ============================================================

services:

  # ─── PostgreSQL ─────────────────────────────────────────────
  db:
    image: postgres:15-alpine
    container_name: bankbot_postgres
    restart: unless-stopped
    environment:
      POSTGRES_USER:     ${POSTGRES_USER:-admin}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-adminpassword}
      POSTGRES_DB:       ${POSTGRES_DB:-bankbot}
    ports:
      - "5432:5432"
    volumes:
      - pgdata:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-admin} -d ${POSTGRES_DB:-bankbot}"]
      interval: 5s
      timeout: 5s
      retries: 10
      start_period: 10s

  # ─── Redis ──────────────────────────────────────────────────
  redis:
    image: redis:7-alpine
    container_name: bankbot_redis
    restart: unless-stopped
    command: >
      redis-server
      --maxmemory 256mb
      --maxmemory-policy allkeys-lru
      --save 60 1
    ports:
      - "6379:6379"
    volumes:
      - redisdata:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 3s
      retries: 5

  # ─── Backend ────────────────────────────────────────────────
  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
      target: runtime
    container_name: bankbot_backend
    restart: unless-stopped
    ports:
      - "8000:8000"
    environment:
      DATABASE_URL:              postgresql://${POSTGRES_USER:-admin}:${POSTGRES_PASSWORD:-adminpassword}@db:5432/${POSTGRES_DB:-bankbot}
      REDIS_URL:                 redis://redis:6379/0
      OPENAI_API_KEY:            ${OPENAI_API_KEY:-}
      GROQ_API_KEY:              ${GROQ_API_KEY:-}
      OLLAMA_MODEL:              ${OLLAMA_MODEL:-llama3:latest}
      JWT_SECRET_KEY:            ${JWT_SECRET_KEY:-bankbot-change-in-production}
      JWT_ALGORITHM:             HS256
      ACCESS_TOKEN_EXPIRE_MINUTES: "60"
      BACKEND_CORS_ORIGINS:      '["http://localhost:3000","http://frontend:3000","${FRONTEND_URL:-http://localhost:3000}"]'
    depends_on:
      db:
        condition: service_healthy
      redis:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
      interval: 15s
      timeout: 10s
      retries: 5
      start_period: 20s

  # ─── Frontend ───────────────────────────────────────────────
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
      target: runtime
      args:
        NEXT_PUBLIC_API_URL: ${NEXT_PUBLIC_API_URL:-http://localhost:8000}
    container_name: bankbot_frontend
    restart: unless-stopped
    ports:
      - "3000:3000"
    environment:
      NEXT_PUBLIC_API_URL: ${NEXT_PUBLIC_API_URL:-http://localhost:8000}
      NODE_ENV: production
    depends_on:
      backend:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "wget", "-qO-", "http://localhost:3000/"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 30s

  # ─── Nginx (production profile only) ────────────────────────
  nginx:
    image: nginx:1.25-alpine
    container_name: bankbot_nginx
    restart: unless-stopped
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
      - nginx_logs:/var/log/nginx
    depends_on:
      - frontend
      - backend
    profiles:
      - production
    healthcheck:
      test: ["CMD", "nginx", "-t"]
      interval: 30s
      timeout: 5s
      retries: 3

volumes:
  pgdata:
    driver: local
  redisdata:
    driver: local
  nginx_logs:
    driver: local