add: dockerfile and deploy command

src/bin/handler.rs

@@ -3,7 +3,7 @@ use std::time::Duration;
 
 use clap::Parser;
 
-use log::error;
+use log::{error, info};
 
 use anyhow::Result;
 use env_logger::Env;
@@ -37,6 +37,7 @@ fn handle(remote: &str, listen: &str) -> Result<()> {
     let url = format!("http://{}/register/{}", remote, listen);
     loop {
         sleep(Duration::from_secs(20));
+        info!("sending post to {}", url);
         client.post(&url).send()?;
     }
 }