Add default flags

package

@@ -86,16 +86,17 @@ if __name__ == "__main__":
     kwargs = dict()
     kwargs['debug'] = args.debug
 
-    docker_args = []
+    docker_args = [
+        "run",
+        "--rm",
+    ]
 
     # Append custom arguments
     if len(args.override_run_flags) > 0:
         docker_args += args.override_run_flags
     else:
-        # rkt run arguments
+        # volumes definition
         docker_args += [
-            "run",
-            "--rm",
             "-v", "{:s}:/src:ro".format(project_dir),
             "-v", "{:s}:/dist".format(output_dir),
             "-v", "{:s}:/tamarin/hooks:ro".format(tamarin.get_hooks_dir()),