RareBiblio.com — Case Study
Scalable Digital Library Platform with Apache Solr and MERN Stack

Overview
RareBiblio.com is a pioneering online archive for rare antique and out-of-print books aiming to make the world’s bibliographic treasures accessible to everyone.
With over 3.6 crore titles indexed the platform serves collectors libraries and researchers worldwide who seek detailed book information and quick discovery.
The platform was initially developed using Yii2 Framework and Elasticsearch and later completely redeveloped on the MERN Stack with Apache Solr to achieve higher scalability and richer interactivity.
The Challenge
- •Slower search speeds complex metadata limited scalability and outdated front-end experience
The Solution
RareBiblio underwent a complete redevelopment using the MERN stack paired with Apache Solr for high-speed indexing and precision search.
The backend evolved from Yii2 to Node.js and Express with MongoDB managing multilingual bibliographic data and SolrSearch powering faceted filtering fuzzy matching and relevance ranking.
The platform also integrated Ingram for real-time catalog synchronization and deployed on AWS infrastructure with caching and index replication for high performance.
Core Functionalities
- ✓Advanced search engine
- ✓3.6 crore book records
- ✓Ingram data integration
- ✓Smart caching layer
- ✓Modular API architecture
- ✓Modern UI UX
Key Outcomes
- ✓5x faster search performance
- ✓High scalability and reliability achieved
- ✓Improved user engagement and satisfaction
Highlights
- ▸Backend evolution
- ▸Frontend revamp
- ▸Infrastructure optimization
- ▸Real-time filters
- ▸Infinite scroll
- ▸AWS deployment
Achievements
- ✓Full architectural modernization
- ✓Seamless integration with Ingram
- ✓Sub-second global search experience
Tech Stack
Backend
Node.js (Express)
Database
MongoDB
Frontend
React.js, Redux, TailwindCSS
Integrations
Ingram Book API
Search Engine
Apache Solr
Infrastructure
AWS EC2, S3, CloudFront
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