The project was taken from https://github.com/playframework/play-samples/tree/2.8.x/play-scala-grpc-example
sbt run
curl http://localhost:8080
grpcurl -plaintext -import-path ./play-scala-grpc-example/app/protobuf -proto helloworld.proto localhost:8080 helloworld.GreeterService/SayHello
Calls that rely on the reflection feature
grpcurl -plaintext localhost:8080 list
grpcurl -plaintext localhost:8080 helloworld.GreeterService/SayHello
grpcurl -plaintext -d '{"name":"alice"}' localhost:8080 helloworld.GreeterService/SayHello