System Requirements Document (SRD) for hollow-app

1. Introduction

The hollow-app is a mobile e-commerce application designed to cater to users in India who are passionate about stylish accessories, specifically shoes, bags, and watches. This app aims to provide a seamless shopping experience with features like product browsing, search and filtering, secure checkout, and payment integration. The project will target both Android and iOS platforms to maximize reach and accessibility.

This document outlines the system requirements for the hollow-app, including functional and non-functional requirements, user personas, design concepts, and technical specifications.

2. System Overview

The hollow-app will serve as a platform for users to browse, select, and purchase shoes, bags, and watches. The app will focus on delivering a user-friendly interface, high-quality visuals, and a secure shopping experience. Key features include:

• Product Showcase: High-resolution images and detailed descriptions.
• Search & Filter: Advanced filtering options for price, brand, and category.
• Cart & Checkout: A smooth process for adding items to the cart and completing purchases.
• Payment Gateway: Integration with Razorpay to support UPI, credit/debit cards, and net banking.
• Order Tracking: Users can track their orders in real-time.

The app will be built using modern technologies to ensure scalability, performance, and security.

3. Functional Requirements

• As a User, I should be able to browse shoes, bags, and watches with high-quality images and descriptions.
• As a User, I should be able to search for products by name and filter them by price, brand, and category.
• As a User, I should be able to add items to my cart and view the total price.
• As a User, I should be able to securely complete my purchase using UPI, credit/debit cards, or net banking.
• As a User, I should be able to track my order status after purchase.
• As an Admin, I should be able to add, update, or remove products from the catalog.
• As an Admin, I should be able to view and manage user orders.

4. User Personas

4.1 User

• Description: Regular customers who browse and purchase products.
• Goals: Find stylish shoes, bags, and watches; complete purchases easily.
• Pain Points: Complicated checkout processes, lack of product variety, and unclear order tracking.

4.2 Admin

• Description: The app manager responsible for maintaining the product catalog and managing orders.
• Goals: Ensure the catalog is up-to-date and orders are processed smoothly.
• Pain Points: Inefficient tools for managing inventory and orders.

5. Visuals Colors and Theme

Color Palette

The hollow-app will use a modern and stylish color palette to reflect the elegance of shoes, bags, and watches:

• Background: #F9F9F9 (Soft White)
• Surface: #FFFFFF (Pure White)
• Text: #333333 (Charcoal Black)
• Accent: #FF6F61 (Coral Red)
• Muted: #B0BEC5 (Cool Gray)

This palette ensures a clean and sophisticated look, enhancing the shopping experience.

6. Signature Design Concept

The hollow-app will feature a "Dynamic Product Carousel" on the homepage. This carousel will showcase trending shoes, bags, and watches with a 3D parallax effect. Here's how it works:

• Visuals: As users swipe through the carousel, the products will appear to "pop out" slightly, creating a 3D illusion.
• Interaction: Hovering or tapping on a product will trigger a subtle animation, such as a zoom-in effect or a rotation to show different angles.
• Background: A gradient that shifts subtly based on the category being viewed (e.g., warm tones for shoes, cool tones for watches).
• Micro-interactions: Smooth transitions between products, with a glowing outline around the selected item.

This design will make the app visually striking and memorable, encouraging users to explore the catalog.

7. Non-Functional Requirements

• Performance: The app should load within 2 seconds on a 4G connection.
• Scalability: The system should support up to 10,000 concurrent users.
• Security: All transactions must be encrypted using SSL/TLS.
• Localization: The app should support English and Hindi languages.
• Availability: The app should maintain 99.9% uptime.

8. Tech Stack

Frontend

• React Native: For cross-platform mobile app development.

Backend

• FastAPI: For building a scalable and efficient backend.

Database

• MySQL: For relational data storage (e.g., user accounts, orders).
• MongoDB: For storing product catalog and search data.

AI Tools

• GPT 5.4: For providing user-friendly responses in the app's help section.
• Google Nano Banana: For generating high-quality product images.

Orchestration

• Docker: For containerization.
• Kubernetes: For server-side orchestration.

9. Assumptions and Constraints

Assumptions

• Users will primarily access the app via mobile devices.
• The app will initially target the Indian market.
• Razorpay will be the primary payment gateway.

Constraints

• The app must comply with Indian data protection laws.
• Limited budget for initial development, focusing on an MVP.

10. Glossary

• MVP: Minimum Viable Product, a basic version of the app with essential features.
• UPI: Unified Payments Interface, a real-time payment system in India.
• SSL/TLS: Secure Sockets Layer / Transport Layer Security, protocols for encrypting data.
• Razorpay: A payment gateway widely used in India.