version: '3.8'

networks:
  whatsapp-net:
    driver: bridge

volumes:
  db_storage:
    name: wa_makaanagent_db_storage
  n8n_storage:
    name: wa_makaanagent_n8n_storage

services:
  postgres:
    image: postgres:16-alpine
    container_name: whatsapp_postgres
    restart: always
    networks:
      - whatsapp-net
    environment:
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
    ports:
      - "${POSTGRES_PORT}:5432"
    volumes:
      - db_storage:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"]
      interval: 5s
      timeout: 5s
      retries: 5

  n8n:
    image: docker.n8n.io/n8nio/n8n:latest
    container_name: whatsapp_n8n
    restart: always
    networks:
      - whatsapp-net
    ports:
      - "${N8N_PORT}:5678"
    environment:
      - DB_TYPE=postgresdb
      - DB_POSTGRESDB_HOST=postgres
      - DB_POSTGRESDB_PORT=5432
      - DB_POSTGRESDB_DATABASE=${POSTGRES_DB}
      - DB_POSTGRESDB_USER=${POSTGRES_USER}
      - DB_POSTGRESDB_PASSWORD=${POSTGRES_PASSWORD}
      - N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY}
      - WEBHOOK_URL=${WEBHOOK_URL}
      - GOOGLE_SHEETS_ID=${GOOGLE_SHEETS_ID}
      - META_PHONE_NUMBER_ID=${META_PHONE_NUMBER_ID}
      - N8N_ENVS_MODE=allow
      - N8N_ENVS_LIST=GOOGLE_SHEETS_ID,META_PHONE_NUMBER_ID
      - N8N_BLOCK_ENV_ACCESS_IN_NODE=false
    volumes:
      - n8n_storage:/home/node/.n8n
    depends_on:
      postgres:
        condition: service_healthy

  pgadmin:
    image: dpage/pgadmin4:latest
    container_name: whatsapp_pgadmin
    restart: always
    networks:
      - whatsapp-net
    environment:
      PGADMIN_DEFAULT_EMAIL: ${PGADMIN_EMAIL}
      PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_PASSWORD}
    ports:
      - "${PGADMIN_PORT}:80"
    depends_on:
      postgres:
        condition: service_healthy

  rag-api:
    # Why: Builds the FastAPI service from our local rag_api directory.
    build:
      context: ./rag_api
      dockerfile: Dockerfile
    container_name: whatsapp_rag_api
    restart: always
    networks:
      - whatsapp-net
    ports:
      - "8000:8000" # Why: Exposes port to localhost for host development and diagnostics.
    environment:
      - OPENAI_API_KEY=${OPENAI_API_KEY} # Connectivity: Passes secret API key loaded from .env.
      - DB_PATH=/app/data/transactions.duckdb # Connectivity: Points python script to mounted volume path.
    volumes:
      # Connectivity: Mounts workspace data folder to local container path.
      - ./data:/app/data
    depends_on:
      postgres:
        condition: service_healthy