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journal

Writing & Thoughts

Deep dives into web development, security, performance optimization, and lessons learned building scalable applications.

Mar 15, 2026
8 min
FeaturedSecurity

Building Secure PHP Applications in 2026

Learn advanced security patterns for modern PHP applications, including input validation, SQL injection prevention, and authentication best practices.

#php#security#best practices
Mar 10, 2026
12 min
FeaturedPerformance

Next.js 14 Performance Optimization Guide

Deep dive into Server Components, streaming, and caching strategies to build lightning-fast Next.js applications.

#next.js#react#performance
Mar 5, 2026
10 min
Database

MongoDB Indexing Strategies for Scale

Optimize your MongoDB queries with compound indexes, partial indexes, and index intersection patterns.

#mongodb#database#performance
Feb 28, 2026
15 min
Frontend

React Server Components: A Practical Guide

Understanding the mental model, data fetching patterns, and use cases for React Server Components.

#react#next.js#javascript
Feb 20, 2026
7 min
Security

API Security: JWT Best Practices

Implementing secure JWT authentication with refresh tokens, token rotation, and proper secret management.

#api#security#jwt
Feb 15, 2026
6 min
DevOps

Optimizing Docker Images with Multi-Stage Builds

Reduce Docker image sizes by 80% using multi-stage builds and layer caching strategies.

#docker#devops#optimization

© 2026 Harsh Gupta. All rights reserved.

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