Writing

Technical Blog

Deep-dives on DevOps, performance, automation, and the engineering decisions behind real production systems.

DevOps12 min read

How I Host 12 Production Apps on a Single $20/month VPS

A complete walkthrough of my Nginx + Docker Compose setup that handles 12 live web applications — with SSL, monitoring, and automated deployments — for a fraction of cloud costs.

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Performance15 min read

Next.js App Router: Achieving Sub-100ms TTFB in Production

Performance optimization deep-dive: ISR, Server Components, route caching, and database query optimization techniques that cut time-to-first-byte from 800ms to under 100ms.

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Automation10 min read

Building a Telegram Bot That Replaced 3 Full-Time Employees

A technical case study on architecting a Telegram automation suite for an e-commerce business — order processing, customer service, and inventory management, all on Telegram.

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Database18 min read

PostgreSQL Query Optimization: From 4 Seconds to 40ms

Real-world PostgreSQL optimization techniques including proper indexing, query planner analysis, connection pooling with PgBouncer, and partitioning strategies.

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DevOps11 min read

Production Docker Compose Setup You Should Be Using

Best practices for running Docker Compose in production: health checks, resource limits, logging, secret management, and graceful container updates without downtime.

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Career14 min read

From $0 to $5K/Month Freelancing as a Developer from Bangladesh

My honest journey building a freelance development business from Bogura — the platforms, strategies, payment methods, and mindset shifts that made it work.

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