Building HTTP service with Rust

explain what is websocket subprotocol and given an working example with mu-server and jdk-http-client

using jdk http client working with SSE (sever sent event) and websocket.

using jdk http client to send simple GET/POST request, and also some complex case for streaming request body, stream receiving response body.

nginx example for setting up static file server and serving in https

quick and simple setup for creating user, installing Java and Node

first post!