Needed dependencies go install google.golang.org/protobuf/cmd/[email protected] go install google.golang.org/grpc/cmd/[email protected] To generate the needed golang files from the proto files. protoc -I./protofiles/greetpb --go_out=./server --go-grpc_out=require_unimplemented_servers=false:./server --go_out=./client --go-grpc_out=require_unimplemented_servers=false:./client protofiles/greetpb/greet.proto