diff --git a/WatcherAgent/src/docker/mod.rs b/WatcherAgent/src/docker/mod.rs
index c4841ce..6a6ce2d 100644
--- a/WatcherAgent/src/docker/mod.rs
+++ b/WatcherAgent/src/docker/mod.rs
@@ -159,43 +159,58 @@ impl DockerManager {
 
         let container_infos: Vec<DockerCollectMetricDto> = container_infos_total
             .into_iter()
-            .map(|info| DockerCollectMetricDto {
-                id: Some(info.container.unwrap().id).unwrap_or("".to_string()),
-                cpu: info
-                    .cpu
-                    .unwrap()
-                    .cpu_usage_percent
-                    .map(|load| DockerContainerCpuDto {
-                        cpu_load: Some(load),
-                    })
-                    .unwrap_or(DockerContainerCpuDto { cpu_load: None }),
-                ram: info
-                    .ram
-                    .unwrap()
-                    .memory_usage_percent
-                    .map(|load| DockerContainerRamDto {
-                        cpu_load: Some(load),
-                    })
-                    .unwrap_or(DockerContainerRamDto { cpu_load: None }),
-                network: DockerContainerNetworkDto {
-                    net_in: info
-                        .network
-                        .as_ref()
-                        .unwrap()
-                        .rx_bytes
-                        .map(|bytes| bytes as f64)
-                        .or(Some(0.0)),
-                    net_out: info
-                        .network
-                        .unwrap()
-                        .tx_bytes
-                        .map(|bytes| bytes as f64)
-                        .or(Some(0.0)),
-                },
+            .filter_map(|info| {
+                // Safely handle container extraction
+                let container = match info.container {
+                    Some(c) => c,
+                    None => {
+                        eprintln!("Warning: Container info missing container data, skipping");
+                        return None;
+                    }
+                };
+
+                // Safely handle CPU data with defaults
+                let cpu_dto = if let Some(cpu) = info.cpu {
+                    DockerContainerCpuDto {
+                        cpu_load: cpu.cpu_usage_percent,
+                    }
+                } else {
+                    DockerContainerCpuDto { cpu_load: None }
+                };
+
+                // Safely handle RAM data with defaults
+                let ram_dto = if let Some(ram) = info.ram {
+                    DockerContainerRamDto {
+                        ram_load: ram.memory_usage_percent,
+                    }
+                } else {
+                    DockerContainerRamDto { ram_load: None }
+                };
+
+                // Safely handle network data with defaults
+                let network_dto = if let Some(net) = info.network {
+                    DockerContainerNetworkDto {
+                        net_in: net.rx_bytes.map(|bytes| bytes as f64).or(Some(0.0)),
+                        net_out: net.tx_bytes.map(|bytes| bytes as f64).or(Some(0.0)),
+                    }
+                } else {
+                    DockerContainerNetworkDto {
+                        net_in: Some(0.0),
+                        net_out: Some(0.0),
+                    }
+                };
+
+                Some(DockerCollectMetricDto {
+                    id: container.id,
+                    cpu: cpu_dto,
+                    ram: ram_dto,
+                    network: network_dto,
+                })
             })
             .collect();
+
         let dto = DockerMetricDto {
-            server_id: 0,
+            server_id: 0, // This should be set by the caller
             containers: serde_json::to_string(&container_infos)?,
         };
 
@@ -207,9 +222,9 @@ impl DockerManager {
     ) -> Result<DockerRegistrationDto, Box<dyn Error + Send + Sync>> {
         let containers = self.get_containers().await?;
         let dto = DockerRegistrationDto {
-            server_id: 0,
-            //container_count,
-            containers: serde_json::to_string(&containers)?,
+            server_id: 0, // This will be set by the caller
+            containers: serde_json::to_string(&containers)
+                .unwrap_or_else(|_| "[]".to_string()), // Fallback to empty array
         };
 
         Ok(dto)
diff --git a/WatcherAgent/src/main.rs b/WatcherAgent/src/main.rs
index 5db93f6..8a989b6 100644
--- a/WatcherAgent/src/main.rs
+++ b/WatcherAgent/src/main.rs
@@ -153,7 +153,13 @@ async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
         let docker_manager = docker_manager.as_ref().cloned().unwrap();
         async move {
             let mut collector = metrics::Collector::new(server_id, ip, docker_manager);
-            collector.run(&server_url).await
+            if let Err(e) = collector.run(&server_url).await {
+                eprintln!("Metrics collection error: {}", e);
+                // Don't panic, just return the error
+                Err(e)
+            } else {
+                Ok(())
+            }
         }
     });
 
diff --git a/WatcherAgent/src/models.rs b/WatcherAgent/src/models.rs
index 5c70080..b44df56 100644
--- a/WatcherAgent/src/models.rs
+++ b/WatcherAgent/src/models.rs
@@ -235,7 +235,7 @@ pub struct DockerContainerCpuDto {
 
 #[derive(Debug, Serialize, Clone)]
 pub struct DockerContainerRamDto {
-    pub cpu_load: Option<f64>,
+    pub ram_load: Option<f64>,
 }
 
 #[derive(Debug, Serialize, Clone)]