Imp: config to specify service bind and set default port as 7777

src/main.rs

@@ -56,10 +56,23 @@ impl AppConfig {
 
 #[derive(Debug, Deserialize)]
 struct Settings {
+    #[serde(default = "Settings::default_bind_localhost")]
+    bind: String,
+    #[serde(default = "Settings::default_port")]
     port: u16,
     apps: HashMap<String, AppConfig>,
 }
 
+impl Settings {
+    fn default_port() -> u16 {
+        7777
+    }
+
+    fn default_bind_localhost() -> String {
+        String::from("127.0.0.1")
+    }
+}
+
 #[derive(Debug, Deserialize)]
 struct QueryParams {
     auth_token: String,
@@ -342,7 +355,7 @@ async fn main() -> std::io::Result<()> {
     APPS_DEPLOYMENT_LOCK.get_or_init(|| RwLock::new(HashSet::new()));
 
     HttpServer::new(|| App::new().service(deploy))
-        .bind(("127.0.0.1", settings.port))?
+        .bind((settings.bind.as_str(), settings.port))?
         .run()
         .await
 }