| # testdata | |
| ## How to regenerate proto derived files | |
| Ensure you have installed the following tools: | |
| - [protoc](https://grpc.io/docs/protoc-installation/) | |
| - [protoc-gen-go](https://pkg.go.dev/google.golang.org/protobuf/cmd/protoc-gen-go) | |
| - [protoc-gen-go-grpc](https://pkg.go.dev/google.golang.org/grpc/cmd/protoc-gen-go-grpc) | |
| Run the following command from this directory: | |
| ```bash | |
| protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative echo.proto | |
| ``` |