/ STDERR Logging { "message": "grpc: finished server unary /echo.EchoService/Hello", "grpc": { "type": "unary", "kind": "server", "latency": 0.002360152, "code": "OK", "method": "Hello", "service": "echo.EchoService" }, "serviceContext": { "version": "1.0.1", "service": "echo" }, "metadata": { "user-agent": "graphql/1.0.0 grpc-node-js/1.7.3", } } Log-based Metrics Monitoring Log-based Metrics + Other GCP Metrics gRPC interceptor