DANIEL RODRIGUEZ ESPINOSA

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+ Firsts steps with Reflex. +

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✨ Performant, customizable web apps in pure Python. Deploy in seconds. ✨

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Reflex

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.

⚙️ Installation

Open a terminal and run (Python 3.8+):

pip install reflex

🥳 Create your first app

Installing reflex also installs the reflex command line tool.

Test that the install was successful by creating a new project. (Replace my_app_name with your project name):

mkdir my_app_name
cd my_app_name

python -m venv .venv
.venv\Scripts\activate

reflex init

This command initializes a template app in your new directory. 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 link_bio_web/link_bio_web.py. Reflex has fast refreshes so you can see your changes instantly when you save your code (WSL).

🫧 Example App

Let's go over an example: creating an image generation UI around DALL·E. For simplicity, we just call the OpenAI API, but you could replace this with an ML model run locally.