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[!NOTE]
🚀 Try Reflex Build – our AI-powered app builder that generates full-stack Reflex applications in seconds.

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Introduction

Reflex is a library to build full-stack web apps in pure Python.

Key features:

• Pure Python – Write your app’s frontend and backend all in Python, no need to learn Javascript.
• Full Flexibility – Reflex is easy to get started with, but can also scale to complex apps.
• Deploy Instantly – After building, deploy your app with a single command or host it on your own server.

See our architecture page to learn how Reflex works under the hood.

⚙️ Installation

Important: We strongly recommend using a virtual environment to ensure the reflex command is available in your PATH.

3. Install Reflex

Reflex is available as a pip package (Requires Python 3.10+):

pip install reflex

5. Run the app

You can run this app in development mode:

reflex run

You should see your app running at http://localhost:3000.

Now you can modify the source code in my_app_name/my_app_name.py. Reflex has fast refreshes so you can see your changes instantly when you save your code.

常用命令（从 README 提取）

mkdir my_app_name
cd my_app_name

# On Windows:
python -m venv .venv
.venv\Scripts\activate

# On macOS/Linux:
python3 -m venv .venv
source .venv/bin/activate

pip install reflex

通用部署说明

1. 下载源码并阅读 README
2. 安装依赖（pip/npm/yarn 等）
3. 配置环境变量（API Key、模型路径、数据库等）
4. 启动服务并测试访问
5. 上线建议：Nginx 反代 + HTTPS + 进程守护（systemd / pm2）

免责声明与版权说明

本文仅做开源项目整理与教程索引，源码版权归原作者所有，请遵循对应 License 合规使用。