Airline Passenger Sentiment Analysis Backend

This Node.js app is designed for database operations using MongoDB. It includes features such as database migrations, validation, and uses Express for handling HTTP requests.

Table of Contents

• Installation
• Scripts
• Folder Structure
• Dependencies

Installation

1. Clone the repository:

   git clone https://github.com/apdalvi/db-be-basic.git
   cd db-be-basic

2. Install dependencies:

   npm install

3. Set up environment variables: Create a .env file in the root of your project and add the necessary variables, such as:

   PORT=your_preferred_port_number
   MONGO_REVIEWS_DB=your_mongo_connection_string

   # Example
   PORT=9069
   MONGO_REVIEWS_DB=mongodb://localhost:27017/reviews

4. Run the app:

   npm run migrate
   npm start

   The app will be accessible at http://localhost:9069.

Scripts

• create-migration: Create a new database migration.
• migration-status: Check the status of database migrations.
• migrate: Run pending database migrations.
• rollback: Rollback the last database migration.
• rollback-all: Rollback all database migrations.
• dev: Run the app in development mode using nodemon.
• start: Run the app in production mode.

Folder Structure

db-be-basic/
├── src/
│ ├── index.js
│ ├── routes/               - Api End Points for reviews
│ ├── handler/              - Backend and db connection
│ ├── queries/              - Main mongodb queries
│ ├── models/               - Review Schema modal
│ ├── services/             - Sentiment analysis model and logical
│ └── ...
├── .env
├── .gitignore
├── package.json
└── README.md

Features

List the key features of your React app.

• Local Caching
• Concurrent Queries