Health Tracker App Backend Using Node and Express.js

A Health Tracker App is a platform that allows users to log and monitor various data of their health and fitness. In this article, we are going to develop a Health Tracker App with Node.js and Express.js. that allows users to track their health-related activities such as exercise, meals, water intake, and sleep.

Prerequisites:

• Node.js
• Express.js
• MongoDB (for database)

Approach to create Health Tracker App Backend:

• User authentication (signup, login)
• CRUD operations for health activities (create, read, update, delete)
• Users can do the following things with this Health Tracker App:
  • Create a Health Activity
  • Modify Health Activity
  • Track Health Activity
  • Delete Health Activity

Steps to create Health-Tracker App

Step 1: Create the project folder using the following command.

mkdir health-tracker

Step 2: Initialize the Node application using the following command.

npm init -y

Step 3: Install the required dependencies.

npm install express dotenv mongoose

The updated Dependencies in package.json file will look like:

"dependencies": {
 "dotenv": "^16.4.5",
 "express": "^4.18.3",
 "mongoose": "^8.2.0"
}

Project Structure:

Code Example: Create the required files as shown in folder structure and the following codes.

Output: