exbackend-kit

Production-ready Express.js toolkit with Logger, Security and Authentication utilities.

Installation

npm install @adarshguptadev/exbackend-kit

Basic Usage

const express = require("express");

const {
  setupLogger,
  setupHelmet,
  setupRateLimit
} = require("@adarshguptadev/exbackend-kit");

const app = express();

// Logger
setupLogger(app);

// Security
setupHelmet(app);
setupRateLimit(app);

app.listen(3000, () => {
  console.log("Server running on port 3000");
});

Features

Logger

• Winston logging
• Morgan request logger
• Daily log rotation
• Error logs
• Auto log cleanup
• Production-ready defaults
• Fully customizable

Security

• Helmet middleware
• Express rate limit
• Secure production defaults
• Fully customizable

Authentication

• Password hashing
• Password compare
• JWT generate
• JWT verify

Logger Setup

Default Behavior

• logs folder auto create
• daily rotate logs
• auto delete old logs
• request logging
• error logging
• console logs disabled by default

Advanced Usage

// import
const { setupLogger } = require("@adarshguptadev/exbackend-kit");

// use
setupLogger(app, {
  logDir: "logs",
  retainDays: 7,

  // Enable console logs in development
  consoleLog: process.env.NODE_ENV !== "production",

  // Add more custom options here
});

Helmet Setup

Advanced Usage

// import
const { setupHelmet } = require("@adarshguptadev/exbackend-kit");

// use
setupHelmet(app, {
  contentSecurityPolicy: true,
  crossOriginEmbedderPolicy: false,

  // Add more custom options here
});

Rate Limit Setup

Default Behavior

• 100 requests per 5 minutes
• standard headers enabled
• legacy headers disabled

Advanced Usage

// import
const { setupRateLimit } = require("@adarshguptadev/exbackend-kit");

// use
setupRateLimit(app, {
  windowMs: 10 * 60 * 1000,
  max: 50,

  // Add more custom options here
});

Authentication

Hash Password

// import
const { hashPassword } = require("@adarshguptadev/exbackend-kit");

// use
const hashed = await hashPassword(password);

Compare Password

// import
const { comparePassword } = require("@adarshguptadev/exbackend-kit");

// use
const isMatch = await comparePassword(
  password,
  hashedPassword
);

Generate JWT

// import
const { generateToken } = require("@adarshguptadev/exbackend-kit");

// use
const token = generateToken(
  { id: user._id },
  process.env.JWT_SECRET
);

Advanced Usage

// import
const { generateToken } = require("@adarshguptadev/exbackend-kit");

// use
const token = generateToken(
  { id: user._id },
  process.env.JWT_SECRET,
  {
    expiresIn: "30d",

    // Add more custom options here
  }
);

Verify JWT

// import
const { verifyToken } = require("@adarshguptadev/exbackend-kit");

// use
const decoded = verifyToken(
  token,
  process.env.JWT_SECRET
);

Default Logger Files

logs/
├── app-2026-05-19.log
└── error-2026-05-19.log

Author

Adarsh Gupta

• GitHub Repository

• Official Website

• npm Package

License

MIT