Add try catch

Author: quietsy

root/app/swag-ondemand.py

@@ -17,8 +17,11 @@
 class ContainerThread(threading.Thread):
     def __init__(self):
         super().__init__()
-        self.docker_client = docker.from_env()
         self.daemon = True
+        try:
+            self.docker_client = docker.from_env()
+        except Exception as e:
+            logging.exception(e)
 
     def process_containers(self):
         global ondemand_containers