Installation

1. Clone the repository

git clone https://github.com/Kuzma02/MERN-Login-And-Register-With-JSON-Web-Token.git

2. Install dependencies

Navigate to the project directory

cd folder-name

Install backend dependencies

npm install

Install frontend dependencies

cd client
npm install

3. Configure MongoDB and JWT

1. Visit the MongoDB website, create an account, a database, and copy the connection string.
2. Generate a 256-bit random key and add it to the .env file. Create the .env file in the root directory with the following contents:

MONGO_URI=your_mongodb_uri
JWT_SECRET=your_jwt_secret

4. Run the application

Start the backend server

node app.js

In a new terminal, start the frontend

cd client
npm run dev

5. Visit the application

Open your browser and navigate to:

http://localhost:5173

Notes

• This project uses Node.js version 20. To use it, run:

nvm use 20

• In the client repository, install the libraries required for the QR scanner:

npm install html5-qrcode --legacy-peer-deps

• Then, run npm run dev in the client directory.

If you encounter any issues or have further questions, please refer to the project's README or open an issue on the GitHub repository.