compose-for-agents/langgraph/compose.yaml at main · docker/compose-for-agents · GitHub

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services:
  database:
    image: postgres
    environment:
      POSTGRES_USER: user
      POSTGRES_PASSWORD: password
      POSTGRES_DB: database
    healthcheck:
      test: [CMD-SHELL, pg_isready -U user -d database]
      interval: 1s
      timeout: 3s
      retries: 10

  importer:
    build:
      target: importer
    environment:
      SQLITE_FILE: /app/Chinook.db
      DATABASE_URL: postgres://user:password@database:5432/database
    volumes:
      - ./Chinook.db:/app/Chinook.db
    restart: on-failure
    depends_on:
      database:
        condition: service_healthy

  agent:
    build:
      target: agent
    environment:
      - MCP_SERVER_URL=http://mcp-gateway:8811/sse
      - DATABASE_DIALECT=PostgreSQL
      - QUESTION="Which sales agent made the most in sales in 2009?"
    depends_on:
      - database
    models:
      qwen3:
        endpoint_var: MODEL_RUNNER_URL
        model_var: MODEL_RUNNER_MODEL

  mcp-gateway:
    # mcp-gateway secures your MCP servers
    image: docker/mcp-gateway:latest
    use_api_socket: true
    command:
      - --transport=sse
      - --secrets=/run/secrets/database-url
      # add any MCP servers you want to use
      - --servers=postgres
      - --tools=query
    secrets:
      - database-url

models:
  qwen3:
    model: ai/qwen3:14B-Q6_K

secrets:
  database-url:
    file: ./postgres_url