added .env readability

WatcherAgent/Cargo.toml

@@ -19,6 +19,10 @@ nvml-wrapper = "0.11"
 nvml-wrapper-sys = "0.9.0"
 anyhow = "1.0.98"
 
+# Docker .env loading
+config = "0.13"
+dotenvy = "0.15"
+
 [target.'cfg(windows)'.dependencies]
 winapi = { version = "0.3", features = ["winuser", "pdh", "ifmib", "iphlpapi", "winerror" ,"wbemcli", "combaseapi"] }
 systemstat = "0.2.5"

WatcherAgent/src/config.rs

@@ -0,0 +1,22 @@
+use config::Config;
+use serde::Deserialize;
+
+use crate::models::WatcherConfig;
+
+#[derive(Debug, Deserialize, Clone)]
+pub struct AppConfig {
+    pub watcher: WatcherConfig,
+}
+
+impl AppConfig {
+    pub fn from_env() -> Result<Self, config::ConfigError> {
+        // Load .env file (works in both Docker and local development)
+        dotenvy::dotenv().ok();
+
+        let mut cfg = config::Config::builder()
+            .add_source(config::Environment::with_prefix("WATCHER").separator("_"))
+            .build()?;
+
+        cfg.try_deserialize()
+    }
+}

WatcherAgent/src/main.rs

@@ -2,11 +2,13 @@
 /// This agent collects hardware metrics and sends them to a backend server.
 /// It supports CPU, GPU, RAM, disk, and network metrics.
 pub mod api;
+pub mod config;
 pub mod hardware;
 pub mod metrics;
 pub mod models;
 
-pub use crate::hardware::gpu;
+use config::AppConfig;
+
 use std::error::Error;
 use std::marker::Send;
 use std::marker::Sync;
@@ -25,10 +27,11 @@ async fn flatten<T>(
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
-    let server_url = "http://localhost:5000";
+    let config = AppConfig::from_env().expect("Failed to load configuration");
+    let server_url = config.watcher.server_url.clone();
 
     // Registration
-    let (server_id, ip) = match api::register_with_server(server_url).await {
+    let (server_id, ip) = match api::register_with_server(&server_url).await {
         Ok((id, ip)) => (id, ip),
         Err(e) => {
             eprintln!("Fehler bei der Registrierung am Server: {e}");

WatcherAgent/src/models.rs

@@ -72,3 +72,10 @@ pub struct HardwareDto {
     pub ram_size: f64,
     pub ip_address: String,
 }
+
+#[derive(Debug, Deserialize, Clone)]
+pub struct WatcherConfig {
+    pub server_url: String,
+    pub heartbeat_interval_secs: u64,
+    pub metrics_interval_secs: u64,
+}