Update system.py

143 is the standard following SIGTERM

core/base/libs/socrate/socrate/system.py

@@ -73,7 +73,7 @@ def _is_compatible_with_hardened_malloc():
 
 def sigterm_handler(_signo, _stack_frame):
     log.error("Received SIGTERM, terminating.")
-    sys.exit(0)
+    sys.exit(143)
 
 def set_env(required_secrets=[], log_filters=[]):
     if log_filters: