context Package

10 pages in this section.

context.Context: Cancellation as a First-Class API

Learn how Go's context.Context enables cooperative cancellation and timeouts in server code, preventing resource leaks and ensuring graceful shutdowns.

Go Context Package Explainer Context

context Basics

Learn to use Go's context package with 10 examples. Understand context.Background, context.TODO, WithCancel, WithTimeout, and WithDeadline.

Go Context Package Basics Context

Cancellation Propagation in HTTP Handlers

Learn how to propagate cancellation in Go HTTP handlers using r.Context(). Discover how to handle client disconnects and server timeouts.

Go Context Package Http Cancellation

Deadlines & Timeouts Across Service Boundaries

Go Context Package Deadlines Timeouts

context Values: When and When Not

Learn when and how to use context.WithValue to carry request-scoped metadata like trace IDs and auth principals in Go applications.

Go Context Package Values Metadata

context in database/sql & gRPC

Learn to integrate context.Context with database/sql and gRPC. Manage cancellations, timeouts, and streaming RPCs for robust Go applications.

Go Context Package Database Sql

Testing Code That Accepts context.Context

Test Go functions accepting context.Context for success, deadline exceeded, and cancellation. Use WithTimeout or WithCancel in tests.

Go Context Package Testing Context

Context Misuse Anti-Patterns

Go Context Package List Cheatsheet

context Package Best Practices

Learn best practices for Go's context package, covering function signatures, propagation, HTTP/RPC entry points, and cancellation handling.

Go Context Package Best Practices List

context Package Highlights Summary

A single-page roundup of every highlight bullet from the 9 pages in the context Package section, grouped by source page so you can scan all 51 takeaways without opening each article individually.

Highlights Summary Context Package

context Package

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context Package