apt install -y protobuf-compiler export PATH="$PATH:$HOME/.local/bin" protoc --version
go install google.golang.org/protobuf/cmd/protoc-gen-go@latest go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
protoc --proto_path=grpc/protofile grpc/protofile/*.proto --plugin=$(go env GOPATH)/bin/protoc-gen-go-grpc --go-grpc_out=. --go_out=.
evans -r repl -p=50056 call CreateCourse()