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Introduction

This is a exercise Tracker Web App that allows users to log their exercises. It is built with the MERN stack.

Acknowledgement

This repository contains learning notes and code from the Learn the MERN Stack - Full Tutorial (MongoDB, Express, React, Node.js).

Run the Project

  • Backend server: Run npm start under the backend folder, the default URL is http://localhost:5000
  • Frontend server: Run npm start under the main folder, the web page can be viewed at http://localhost:3000

Steps: How to Build a Web App with the MERN Stack

Database: Mongoose

  1. Create a project and a cluster on MongoDB Atlas.
  2. Add whitelist IPs(under Network Access) and DB users (under Database Access).
  3. Connect the application and copy the connection string for future use.

Backend: Node JS & Express

  1. Create backend folder and install packages: express, cors, mongoose, dotenv, nodeman.
  2. Define server architecture in backend/server.js.
  3. Define database schema(s) under backend/models.
  4. Define API routes under backend/routes.
  5. Use tools like Insomnia of Postman to test the correctness of the APIs.

Frontend: React

  1. Create a react app: npx create-react-app [APP NAME]
  2. Modify the default files:
  3. Define custom React components under src/components
  4. Connect frontend & backend through REST APIs