[update] enhanced tracing-subscriber setup with compact JSON logging and environment-based filter for streamlined production logging

backend-rust/src/main.rs

@@ -11,11 +11,15 @@ use axum::routing::get;
 use tokio::signal;
 use tracing::info;
 use tracing_subscriber;
+use tracing_subscriber::EnvFilter;
 
 #[tokio::main]
 async fn main() -> Result<()> {
     tracing_subscriber::fmt()
         .with_target(false)
+        .compact()
+        .with_env_filter(EnvFilter::from_default_env())
+        .json() // For Production
         .init();
 
     info!("Starting server");