basic config setup

src/config.rs

@@ -0,0 +1,28 @@
+use figment::{
+    providers::{Env, Serialized},
+    Figment,
+};
+use serde::{Deserialize, Serialize};
+use std::net::{IpAddr, Ipv4Addr};
+
+#[derive(Deserialize, Serialize)]
+pub struct Config {
+    pub binding_ip: IpAddr,
+    pub port: u16,
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            binding_ip: IpAddr::V4(Ipv4Addr::LOCALHOST),
+            port: 6767,
+        }
+    }
+}
+
+pub fn parse_config() -> Config {
+    Figment::from(Serialized::defaults(Config::default()))
+        .merge(Env::prefixed("HILDR"))
+        .extract()
+        .expect("Error parsing config")
+}

src/main.rs

@@ -1,13 +1,17 @@
 use actix_web::{get, App, HttpServer};
 use log::info;
 
+mod config;
+
 #[actix_web::main]
 async fn main() -> Result<(), std::io::Error> {
     env_logger::init();
 
+    let config = config::parse_config();
+
     info!("Server starting...");
     HttpServer::new(|| App::new().service(hello))
-        .bind(("127.0.0.1", 6767))?
+        .bind((config.binding_ip, config.port))?
         .run()
         .await
 }