Go | Manvendra Rajpoot

Posts on Go — a small, fast, opinionated language that’s quietly become the default for cloud-native backends. From your first go run main.go to building production-grade HTTP services with net/http, Gin, or Chi, plus a serious look at the concurrency model that makes Go what it is.

Go gRPC Streaming Patterns in 2026 — Server, Client, and Bidi That Don't Leak

Practical gRPC streaming in Go: server streaming for fanout, client streaming for uploads, bidi for chat, cancellation via context, and avoiding goroutine leaks.

Go Generics in 2026 — Patterns Worth Using and Ones Worth Avoiding

Production Go generics: when they save real code, when they obscure it, type sets, constraints, and the modest standard library uptake.

Go Error Handling in 2026 — errors.Is, errors.As, and the Patterns That Scale

Practical Go errors: sentinels vs types, wrapping with %w, errors.Is / errors.As, when to panic, and how to keep error handling readable.

Go Testing Patterns in 2026 — Table-Driven, Subtests, and Real Integrations

Practical Go testing: table-driven discipline, subtests for isolation, testcontainers for real DBs, t.Run patterns, fuzzing, and the test layout that scales.

Go Context and Cancellation in 2026 — The Patterns That Don't Leak

Practical Go context patterns: cancel propagation, timeout chains, request-scoped values, errgroup, and how to avoid the common goroutine leaks.

Go 1.24 Features for Backend Engineers in 2026

What changed in Go 1.24 for production backend code. Generics maturity, range-over-func iterators, swiss-table maps, weak pointers, slog improvements, and the patterns to use them.

Go + gRPC + Protocol Buffers in 2026 — Production Microservice Patterns

A practical 2026 guide to gRPC + Protocol Buffers in Go. Schema design, codegen with buf, server / client setup, streaming, interceptors for auth and tracing, and the production patterns that make gRPC services reliable.

Go Concurrency: Goroutines, Channels, and the sync Package

How Go concurrency really works — goroutines, channels, select, sync primitives, context, and the patterns to use (and to avoid) in production code.

Go Web Frameworks Compared: Gin, Echo, and Chi

A practical, side-by-side look at Gin, Echo, and Chi — strengths, weaknesses, code style, performance, and which framework is right for your next Go API.

Building a REST API in Go with net/http (No Framework)

A practical, end-to-end tutorial for building a REST API in Go with only the stdlib — routing, middleware, JSON, validation, structured errors, and graceful shutdown.