Modern Web Systems from First Principles · Part 8
From next build to a Production Request
Follow a Next.js application from source code through build artifacts, platform routing, caching, server execution, and self-hosting.
Aman Kumar Gupta
@akgbytes
Software engineer. Deep into backend and systems design, currently picking up Go and exploring GenAI.
Experience
- Worked on the admin platform and built the core API layer using Node.js, Express, and tRPC, and designed MongoDB schemas for complex real estate data including multi-phase projects, stakeholders, and geographic hierarchies
- Designed and implemented a granular RBAC system enabling fine-grained permissions across project management, pricing, leads, and SEO modules
- Built an optimized image-processing pipeline using Sharp to convert uploads to WebP and reduce file size, improving bandwidth efficiency and load performance
Recent Articles
View allModern Web Systems from First Principles · Part 7
How Next.js Renders an Application
Understand Server and Client Components, prerendering, streaming, caching, and dynamic rendering in the Next.js 16 App Router.
Modern Web Systems from First Principles · Part 6
What Makes a Database Serverless?
Learn what serverless databases change, why compute and storage are separated, and how to choose one for modern applications.
Projects
View allTCP Server in Go
A concurrent TCP server built from first principles to handle multiple clients, frame messages safely, recover from connection failures, and shut down cleanly under load.
Connection Pool in Go
A bounded connection pool that reuses expensive connections, queues competing work, enforces acquisition timeouts, detects unhealthy resources, and releases capacity predictably.
Authentication System
An end-to-end authentication system with secure sessions, refresh-token rotation, role-aware authorization, protected React routes, and reliable account recovery flows.