fix things for docker compose

api/target/views.py

@@ -32,9 +32,9 @@ def get_list(exchange=None):
 @use_kwargs(target_schema)
 @marshal_with(target_schema)
 def create(name, routing_key, exchange):
-    xchange = TargetExchange.get_by_id(exchange.id)
+    xchange = TargetExchange.get_by_id(exchange["id"])
     if xchange is None:
-        raise BadRequestException(f"the exchange {exchange.name}({exchange.id}) could not be found")
+        raise BadRequestException(f"the exchange {exchange['name']}({exchange['id']}) could not be found")
     target = Target(name=name, routing_key=routing_key, target_exchange_id=xchange.id)
     target.save()
     return target