feat: enhance setupStats function with retry logic and improve error handling; update entrypoint to run main script as PID 1

monolith-entrypoint.sh

@@ -48,6 +48,8 @@ done
 
 printf '\n'
 
-# Start the Telegraf agent and the main script
+# Start the Telegraf agent
 telegraf --config ./telegraf.conf &
-./venv/bin/python main.py
+
+# Start the main Python script as PID 1
+exec ./venv/bin/python main.py