parsing environment variables

WatcherAgent/src/config.rs

@@ -15,20 +15,21 @@ pub struct AppSettings {
 }
 
 #[derive(Debug, Deserialize, Clone)]
-
 pub struct ServerSettings {
     pub url: String,
 }
 
 impl Settings {
     pub fn new() -> Result<Self, config::ConfigError> {
-        // Load .env file first
         dotenvy::dotenv().ok();
 
-        // Merge settings from multiple sources
         let builder = config::Config::builder()
-            .add_source(config::File::with_name("Settings").required(false)) // Settings.toml optional
-            .add_source(Environment::default().separator("_"));
+            .add_source(File::with_name("Settings").required(false))
+            .add_source(
+                Environment::default()
+                    .separator("_") // "APP" maps to struct `app`
+                    .try_parsing(true),
+            );
 
         builder.build()?.try_deserialize()
     }