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grpc-golang

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Build production-ready gRPC services in Go with mTLS, streaming, and observability. Use when designing Protobuf contracts with Buf or implementing secure service-to-service transport.

When to use

• Designing microservices communication with gRPC in Go.
• Building high-performance internal APIs using Protobuf.
• Implementing streaming workloads (unidirectional or bidirectional).
• Standardizing API contracts using Protobuf and Buf.
• Configuring mTLS for service-to-service authentication.

When not to use

• Building pure REST/HTTP public APIs without gRPC requirements.
• Modifying legacy `.proto` files without the ability to introduce a new API version (e.g., `api.v2`) or ensure backward compatibility.
• Managing service mesh traffic routing (e.g., Istio/Linkerd), which is outside the application code scope.
• Does not cover service mesh traffic routing (Istio/Linkerd configuration).
• Does not cover gRPC-Web or browser-based gRPC integration.
• Assumes Go 1.21+ and gRPC-Go v1.60+; older versions may have different APIs (e.g., `grpc.Dial` vs `grpc.NewClient`).
• Does not cover L7 gRPC-aware load balancer configuration (e.g., Envoy, NGINX).
• Does not address Protobuf schema registry or large-scale schema governance beyond Buf lint.

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