Building Microservices with Kotlin and gRPC
summary
Claims that gRPC plus Kotlin coroutines are production viable, that switching from HTTP/1 REST cuts infrastructure cost, and that official Kotlin gRPC support now exists. Implements a demo microservice game that uses Kotlin coroutines with gRPC and shows protobuf messages and binary HTTP/2 performance gains. Replaces Java StreamObservers with bi‑directional streaming via channels/flows and solves issues with closed channels using channelFlow and awaitClose. Demo migrates to the official Google Kotlin gRPC library and runs end to end.
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chapters (10)
- 0:00Start
- 8:45Riddle
- 17:57Scala ScalaPB
- 19:48Sample .proto file
- 26:14First look at proto
- 28:44The whole destroy method...
- 32:44We need a new hero!
- 33:16Destroy method is
- 38:06Expectation
- 41:08We have a stable kotlin support!
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