Increase creation timeout for docker container

gns3server/controller/node.py

@@ -272,10 +272,14 @@ class Node:
         """
         data = self._node_data()
         data["node_id"] = self._id
+        if self._node_type == "docker":
+            timeout = 60
+        else:
+            timeout = None
         trial = 0
         while trial != 6:
             try:
-                response = yield from self._compute.post("/projects/{}/{}/nodes".format(self._project.id, self._node_type), data=data)
+                response = yield from self._compute.post("/projects/{}/{}/nodes".format(self._project.id, self._node_type), data=data, timeout=timeout)
             except ComputeConflict as e:
                 if e.response.get("exception") == "ImageMissingError":
                     res = yield from self._upload_missing_image(self._node_type, e.response["image"])