# Production stack: PostgreSQL + API + Frontend + Caddy (TLS-ready)
#
# Quick start:
#   cp .env.prod.example .env.prod
#   # edit .env.prod — set PROMPTLENS_API_KEY and PROMPTLENS_SITE_ADDRESS
#   docker compose --env-file .env.prod -f docker-compose.prod.yml up --build -d
#
# Local HTTP (no TLS):
#   PROMPTLENS_SITE_ADDRESS=:80 docker compose --env-file .env.prod -f docker-compose.prod.yml up --build
#
# Public HTTPS:
#   PROMPTLENS_SITE_ADDRESS=dashboard.example.com ACME_EMAIL=you@example.com ...

services:
  db:
    image: postgres:16-alpine
    container_name: promptlens-db
    environment:
      POSTGRES_USER: ${POSTGRES_USER:-promptlens}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?Set POSTGRES_PASSWORD in .env.prod}
      POSTGRES_DB: ${POSTGRES_DB:-promptlens}
    volumes:
      - promptlens_pg:/var/lib/postgresql/data
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-promptlens}"]
      interval: 10s
      timeout: 5s
      retries: 5

  api:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: promptlens-api
    depends_on:
      db:
        condition: service_healthy
    environment:
      PROMPTLENS_ENVIRONMENT: production
      PROMPTLENS_API_KEY: ${PROMPTLENS_API_KEY:?Set PROMPTLENS_API_KEY in .env.prod}
      PROMPTLENS_DATABASE_URL: postgresql+asyncpg://${POSTGRES_USER:-promptlens}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB:-promptlens}
      PROMPTLENS_RUN_MIGRATIONS_ON_STARTUP: "true"
      PROMPTLENS_LOG_FORMAT: json
      PROMPTLENS_CORS_ORIGINS: ${PROMPTLENS_CORS_ORIGINS}
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/api/v1/health"]
      interval: 15s
      timeout: 5s
      retries: 5
      start_period: 20s

  frontend:
    build:
      context: ./Frontend
      dockerfile: Dockerfile
      args:
        VITE_PROMPTLENS_API_URL: ${VITE_PROMPTLENS_API_URL:-/api/v1}
        VITE_PROMPTLENS_API_KEY: ${VITE_PROMPTLENS_API_KEY:-}
    container_name: promptlens-frontend
    depends_on:
      api:
        condition: service_healthy
    environment:
      NODE_ENV: production
      HOST: 0.0.0.0
      PORT: 3000
      PROMPTLENS_INTERNAL_API_URL: http://api:8000/api/v1
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "wget", "-qO-", "http://localhost:3000/"]
      interval: 15s
      timeout: 5s
      retries: 5
      start_period: 30s

  caddy:
    image: caddy:2-alpine
    container_name: promptlens-caddy
    depends_on:
      api:
        condition: service_healthy
      frontend:
        condition: service_healthy
    ports:
      - "${PROMPTLENS_HTTP_PORT:-80}:80"
      - "${PROMPTLENS_HTTPS_PORT:-443}:443"
    environment:
      PROMPTLENS_SITE_ADDRESS: ${PROMPTLENS_SITE_ADDRESS:-:80}
      ACME_EMAIL: ${ACME_EMAIL:-}
    volumes:
      - ./docker/Caddyfile:/etc/caddy/Caddyfile:ro
      - caddy_data:/data
      - caddy_config:/config
    restart: unless-stopped

volumes:
  promptlens_pg:
  caddy_data:
  caddy_config: