Better datastores security

Localhost only exposed ports and stronger password for Postgres local
environment instance

src/startup.rs

@@ -40,7 +40,6 @@ impl Application {
             "{}:{}",
             configuration.application.host, configuration.application.port
         );
-        // let listener = TcpListener::bind(address).await?;
         let connection_pool =
             PgPoolOptions::new().connect_lazy_with(configuration.database.with_db());
         let email_client = EmailClient::build(configuration.email_client).unwrap();