fixed json in api call

WatcherAgent/src/api.rs

@@ -15,13 +15,12 @@ use std::time::Duration;
 use crate::docker::serverclientcomm::handle_server_message;
 use crate::hardware::HardwareInfo;
 use crate::models::{
-    Acknowledgment, DockerContainer, DockerMetricDto, DockerRegistrationDto, HeartbeatDto,
+    Acknowledgment, DockerMetricDto, DockerRegistrationDto, HeartbeatDto,
     IdResponse, MetricDto, RegistrationDto, ServerMessage,
 };
 
 use anyhow::Result;
 use reqwest::{Client, StatusCode};
-use serde::Serialize;
 use std::error::Error;
 use tokio::time::sleep;
 
@@ -431,7 +430,8 @@ pub async fn send_docker_metrics(
 ) -> Result<(), Box<dyn Error + Send + Sync>> {
     let client = Client::new();
     let url = format!("{}/monitoring/docker-metric", base_url);
-    println!("Docker Metrics: {:?}", docker_metrics);
+    
+    println!("Docker Metrics: {}", serde_json::to_string_pretty(&docker_metrics)?);
 
     match client.post(&url).json(&docker_metrics).send().await {
         Ok(res) => println!(