📦 Warehouse Optimization System

An intelligent, web-based system designed to optimize warehouse storage using the 0/1 Knapsack Algorithm and hashing techniques for efficient product placement and retrieval. Built with Node.js, Express, PostgreSQL, and EJS, this platform ensures maximum space utilization and fast inventory access.

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🚀 Features

• ✅ User Authentication

  • Secure sign-up and login with hashed passwords using bcrypt
  • Session management for authenticated routes

• 🏗️ Warehouse Setup

  • Create warehouses with custom dimensions
  • Automatically calculates usable space and manages racks/bins

• 📊 Smart Inventory Management

  • Add products in bulk with size, quantity, and priority
  • Uses 0/1 Knapsack Algorithm for optimal bin allocation

• 🔍 Fast Product Retrieval

  • Locate products instantly using hashing (O(1) search time)
  • View rack/bin details for any product

• 💾 PostgreSQL Integration

  • Stores user data, warehouse structure, bins, racks, and product info

• 🌐 Dynamic Frontend

  • Built using EJS templates for interactive and responsive views

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🛠️ Tech Stack

Technology	Purpose
Node.js	Backend runtime
Express.js	Web server framework
PostgreSQL	Relational database
EJS	Server-side templating
JavaScript	Frontend & backend scripting
CSS / HTML	UI styling and structure

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🧠 Algorithms Used

• 0/1 Knapsack Algorithm
  Efficiently selects which products to place in bins for optimal space use.

• Hashing
  Enables constant time (O(1)) lookup for quick product location and retrieval.

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📸 Screenshots

Example: ; ; ; ; ;

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📌 Installation & Usage

# Clone the repository
git clone https://github.com/yourusername/warehouse-optimization.git

# Navigate to the project directory
cd warehouse-optimization

# Install dependencies
npm install

# Start the application
node app.js

👨‍💻 Author

Developed by Bikram Singh Bisht | JavaScript & PostgreSQL Enthusiast

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