gRPC in Go

Build high-performance gRPC services in Go. Covers protobuf schema design, unary and streaming RPCs, interceptors for auth and logging, error handling with status codes, deadlines and metadata, and gRPC gateway for REST/JSON transcoding.

This skill helps you build and consume gRPC services in Go. It designs protobuf messages and services, generates Go stubs, implements unary and bidirectional streaming RPCs, adds interceptors for authentication, logging and retries, propagates deadlines and metadata, maps errors to gRPC status codes, and exposes REST/JSON via grpc-gateway.

When to use

Use when building gRPC services in Go — protobuf schema design, unary/streaming RPCs, interceptors, status-code error handling, deadlines and metadata, or REST transcoding with grpc-gateway.

Examples

Streaming RPC

Server-side stream

Define a gRPC service in Go with a server-streaming RPC that pushes live price updates, including protobuf definitions and the generated server stub

Auth interceptor

Cross-cutting concerns

Add a gRPC unary interceptor in Go that validates a JWT from metadata, enforces a deadline, and logs latency per method