Inspect only the containers carrying the lookup label

src/processor/docker.py

@@ -26,6 +26,9 @@ class Docker(ProcessorInterface):
 
         self.parsed_object = {}
         for container in self.client.containers.list():
+            if not any(self.label in key for key in container.labels):
+                continue
+
             # Issue 32 - Docker container cannot connect to containers in different network.
             if ha_proxy_network_name not in container.attrs["NetworkSettings"]["Networks"].keys():
                 ha_proxy_network.connect(container.name)