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golang-grpc

Provide gRPC usage guidelines and production patterns for Go microservices.

1|Updated Apr 4, 2026
Search Tags:#testing#golang#protobuf#code-review#grpc#tls#interceptors
One-click install
npx skills add https://github.com/Jylhis/claude-marketplace --skill golang-grpc-jylhis
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: golang-grpc
Source: https://github.com/Jylhis/claude-marketplace/tree/main/plugins/golang-dev/skills/golang-grpc
Command: npx skills add https://github.com/Jylhis/claude-marketplace --skill golang-grpc-jylhis

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Provides clear, production-focused guidance to avoid common gRPC pitfalls in Go microservices, such as improper error codes, missing health checks, unsafe shutdown handling, disorganized proto files, and inadequate testing practices.

Core Features & Use Cases

  • Proto organization & codegen: recommends domain/versioned proto layouts, go_package conventions, and buf/protoc generation workflows.
  • Server & client patterns: covers interceptors, connection reuse, deadlines, TLS/mTLS configuration, load-balancing hints, and graceful shutdown patterns.
  • Errors, streaming & testing: prescribes status-based error handling, streaming best practices, and bufconn-based testing with examples for verifying gRPC status codes.
  • Use Case: implement or review a UserService microservice to ensure correct proto layout, generated stubs, health checks for Kubernetes, secure TLS mTLS transport, robust interceptors, and comprehensive unit tests.

Quick Start

Create a production-ready Go gRPC server for UserService with versioned protos, health checks, TLS, interceptors, correct gRPC status codes, and graceful shutdown.

Frequently Asked Questions about golang-grpc

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I structure proto files and generate Go code for gRPC microservices?▼

gRPC proto files should use domain-versioned directory layouts with proper go_package conventions. Code generation workflows via buf or protoc produce Go stubs, ensuring organized, versioned proto layouts for maintainable microservices.

What's the best way to handle gRPC server shutdown without dropping active requests in Go?▼

gRPC graceful shutdown uses GracefulStop to wait for active RPCs to finish before closing connections. This pattern prevents unsafe connection drops during Kubernetes pod termination or server restarts.

How do I configure TLS and mTLS for secure gRPC connections in Go?▼

TLS and mTLS configuration for gRPC involves setting up secure transport on both server and client sides. Production-ready patterns include certificate management and connection reuse for authenticated, encrypted microservice communication.

Can I use bufconn for testing gRPC services without opening real network ports in Go?▼

bufconn enables gRPC testing without real network ports by using an in-memory connection. You can verify gRPC status codes and service behavior directly, ensuring comprehensive unit tests for RPC handlers and interceptors.

Why does my Go gRPC microservice fail Kubernetes readiness checks?▼

Kubernetes readiness checks require explicit health check registration on your gRPC server. Without registering the standard gRPC health checking protocol, probes cannot determine service readiness and will mark pods as unhealthy.

How do gRPC interceptors handle cross-cutting concerns like logging and authentication in Go?▼

gRPC interceptors wrap RPC calls to handle cross-cutting concerns such as logging, authentication, and metrics. Server and client interceptors apply consistent middleware logic across all streaming and unary RPCs without modifying service methods.

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