fn main() -> std::io::Result<()> { let descriptor_path = std::path::PathBuf::from(std::env::var("OUT_DIR").unwrap()).join("descriptor.bin"); tonic_build::configure() .build_client(true) .build_server(true) .file_descriptor_set_path(descriptor_path) .compile(&["vanity.proto", "worker.proto"], &["protos"])?; Ok(()) }