Implements Configuration via Env Variables

src/config/config_server.rs

@@ -0,0 +1,22 @@
+use std::env;
+use cached::proc_macro::cached;
+
+#[derive(Clone)]
+pub struct ConfigServer {
+    pub(crate) host: String,
+    pub(crate) port: u16,
+}
+
+#[cached]
+pub fn get_config_server() -> ConfigServer {
+    let h = option_env!("HOST")
+        .unwrap_or("localhost").to_string();
+
+    let p = option_env!("PORT").unwrap_or("8500")
+        .parse::<u16>().unwrap();
+
+    ConfigServer {
+        host: h,
+        port: p,
+    }
+}