services:
  db:
    image: postgres:16-alpine
    environment:
      POSTGRES_DB: chat_backend
      POSTGRES_USER: chat_backend
      POSTGRES_PASSWORD: chat_backend
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U chat_backend -d chat_backend"]
      interval: 5s
      timeout: 5s
      retries: 10
      start_period: 10s

  web:
    build: .
    ports:
      - "8003:8000"
    # No required env_file — CI has no .env. Defaults below; for local secrets:
    #   docker compose --env-file .env up
    #
    # Do NOT interpolate ${DATABASE_URL} here. On the Act runner / control node that
    # var often points at shared prod/beta Postgres; compose would bake it into
    # containerized tests. Use COMPOSE_DATABASE_URL only if you need to override.
    environment:
      DJANGO_ENV: ${DJANGO_ENV:-dev}
      DJANGO_SECRET_KEY: ${DJANGO_SECRET_KEY:-dev-only-change-me}
      DJANGO_DEBUG: ${DJANGO_DEBUG:-true}
      DJANGO_ALLOWED_HOSTS: ${DJANGO_ALLOWED_HOSTS:-localhost,127.0.0.1,0.0.0.0,testserver}
      DATABASE_URL: ${COMPOSE_DATABASE_URL:-postgres://chat_backend:chat_backend@db:5432/chat_backend}
      OLLAMA_BASE_URL: ${OLLAMA_BASE_URL:-http://10.0.0.128:11434}
      SKIP_RAG_INIT: ${SKIP_RAG_INIT:-1}
      REDIS_URL: ${REDIS_URL:-}
      ALLOW_AGENTIC_TASKS: ${ALLOW_AGENTIC_TASKS:-false}
    depends_on:
      db:
        condition: service_healthy

  # Optional — only needed when REDIS_URL is set (multi-worker channel layer
  # fan-out + Celery broker for agent runs, #63). Not started by default
  # `docker compose up` unless the `agentic` profile is selected:
  #   docker compose --profile agentic up
  redis:
    image: redis:7-alpine
    profiles: ["agentic"]
    ports:
      - "6379:6379"
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 5s
      retries: 10

  # Celery worker for long-running agent tasks (#63). Only useful once
  # REDIS_URL/CELERY_BROKER_URL point at the `redis` service above.
  worker:
    build: .
    profiles: ["agentic"]
    command: ["uv", "run", "celery", "-A", "llm_be", "worker", "--loglevel=info"]
    environment:
      DJANGO_ENV: ${DJANGO_ENV:-dev}
      DJANGO_SECRET_KEY: ${DJANGO_SECRET_KEY:-dev-only-change-me}
      DJANGO_ALLOWED_HOSTS: ${DJANGO_ALLOWED_HOSTS:-localhost,127.0.0.1,0.0.0.0,testserver}
      DATABASE_URL: ${COMPOSE_DATABASE_URL:-postgres://chat_backend:chat_backend@db:5432/chat_backend}
      OLLAMA_BASE_URL: ${OLLAMA_BASE_URL:-http://10.0.0.128:11434}
      SKIP_RAG_INIT: "1"
      REDIS_URL: ${REDIS_URL:-redis://redis:6379/0}
      CELERY_BROKER_URL: ${CELERY_BROKER_URL:-redis://redis:6379/0}
      ALLOW_AGENTIC_TASKS: ${ALLOW_AGENTIC_TASKS:-true}
    depends_on:
      db:
        condition: service_healthy
      redis:
        condition: service_healthy

volumes:
  postgres_data: