React Flask Hello

screenshot of React Flask Hello

React Flask Hello

Create web applications with React and connected them to your own Python Flask backend API. Compatible with Gitpod.


This is a web application boilerplate that allows users to build web applications using React.js for the front end and Python/Flask for the backend API. It supports fast deployment to Heroku and provides documentation for guidance. The template is integrated with Pipenv for package management and includes SQLAlchemy integration for database abstraction.


  • React.js and Flask Integration: Build web applications using React.js for the front end and Flask for the backend API.
  • Pipenv Integration: Integrated with Pipenv for efficient package management.
  • Fast Deployment to Heroku: Provides easy and quick deployment to Heroku platform.
  • .env File Support: Allows the use of .env file for configuring environment variables.
  • SQLAlchemy Integration: Includes SQLAlchemy integration for database abstraction and management.


  1. Ensure Python 3.10, Node, and PostgreSQL are installed.
  2. Install the Python packages using the command: $ pipenv install.
  3. Create a .env file based on .env.example.
  4. Install the database engine and create the database. Set the DATABASE_URL variable according to the chosen database engine.
  5. Migrate the migrations using the command: $ pipenv run migrate (skip if no changes were made to models).
  6. Run the migrations using the command: $ pipenv run upgrade.
  7. Start the application using the command: $ pipenv run start.
  8. For Codespaces users, connect to psql by typing: $ psql -h localhost -U gitpod example.

To populate the Users table in the backend database, execute the given command. Additional tables can be populated by editing the file on line 80.

For frontend installation:

  1. Ensure Node version 14+ is installed and the backend is up and running.
  2. Install the packages using the command: $ npm install.
  3. Start the webpack dev server using the command: $ npm run start.


This web application boilerplate allows developers to build web applications using React.js and Flask. It provides an integrated development environment with pipenv for efficient package management and easy deployment to the Heroku platform. The use of .env file and SQLAlchemy integration simplifies configuration and database management. The boilerplate also includes instructions for installing and running both backend and frontend components.


Flask is a lightweight and popular web framework for Python, known for its simplicity and flexibility. It is widely used to build web applications, providing a minimalistic approach to web development with features like routing, templates, and support for extensions.


React is a widely used JavaScript library for building user interfaces and single-page applications. It follows a component-based architecture and uses a virtual DOM to efficiently update and render UI components

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