compose-anything/builds/deer-flow

DeerFlow

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DeerFlow is a full-stack AI agent application from ByteDance. This Compose setup builds the frontend and backend from source, starts Gateway, LangGraph, and Nginx, and exposes the unified entrypoint on port 2026.

Quick Start

1. Copy the example environment file:

   cp .env.example .env
   

2. Edit .env and set OPENAI_API_KEY.

3. Start the stack:

   docker compose up -d
   

4. Open DeerFlow:

   • http://localhost:2026

Default Ports

Service	Port	Description
Nginx	2026	Unified web entrypoint
Gateway API	8001	Internal only
LangGraph	2024	Internal only
Frontend	3000	Internal only

Important Environment Variables

Variable	Description	Default
DEER_FLOW_VERSION	Git ref used for source builds	main
DEER_FLOW_PORT_OVERRIDE	Host port for the unified entrypoint	2026
OPENAI_API_KEY	OpenAI API key referenced from generated config.yaml	-
DEER_FLOW_MODEL_NAME	Internal model identifier	openai-default
DEER_FLOW_MODEL_DISPLAY_NAME	Display name shown in the app	OpenAI
DEER_FLOW_MODEL_ID	OpenAI model id	gpt-4.1-mini
DEER_FLOW_CORS_ORIGINS	Allowed CORS origins for the gateway	http://localhost:2026
DEER_FLOW_BETTER_AUTH_SECRET	Frontend auth secret	deer-flow-dev-secret-change-me
TZ	Container timezone	UTC

Notes

• This setup generates a minimal config.yaml and extensions_config.json inside the backend containers, so no extra config files are required.
• The default sandbox mode is local to avoid requiring Docker socket mounts or Kubernetes provisioner setup.
• DeerFlow upstream usually expects local image builds, so the first build can take several minutes.
• Only an OpenAI-compatible model is wired by default here. If you want Anthropic, Gemini, or a more advanced config, update the generated template logic in docker-compose.yaml.

References

• DeerFlow Repository
• Project README