added container broadcasting

WatcherAgent/src/main.rs

@@ -94,7 +94,7 @@ async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
         Ok((id, ip)) => {
             println!("Registered with server. ID: {}, IP: {}", id, ip);
             (id, ip)
-        },
+        }
         Err(e) => {
             eprintln!("Fehler bei der Registrierung am Server: {e}");
             return Err(e);
@@ -112,6 +112,19 @@ async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
     };
     println!("Client Version: {}", client_version);
 
+    // Prepare Docker registration DTO
+    let container_dto = if let Some(ref docker_manager) = docker_manager {
+        docker_manager.create_registration_dto().await?
+    } else {
+        models::DockerRegistrationDto {
+            server_id: 0,
+            //container_count: 0, --- IGNORE ---
+            containers: "[]".to_string(),
+        }
+    };
+    let _ =
+        api::broadcast_docker_containers(server_url, server_id, &mut container_dto.clone()).await?;
+
     // Start background tasks
     // Start server listening for commands (only if Docker is available)
     let listening_handle = if let Some(ref docker_manager) = docker_manager {