Add service ID to log entry instead of module name (#588)

trustgraph-flow/trustgraph/gateway/service.py

@@ -168,6 +168,12 @@ def run():
         description=__doc__
     )
 
+    parser.add_argument(
+        '--id',
+        default='api-gateway',
+        help='Service identifier for logging and metrics (default: api-gateway)',
+    )
+
     parser.add_argument(
         '-p', '--pulsar-host',
         default=default_pulsar_host,