Webstudio local setup with devContainers

The community member is trying to run Webstudio locally using "devContainers", but is encountering an issue. They are asking what the issue is and how to fix it or open the dashboard. The comments suggest that the community member may not have followed the steps in the documentation correctly, as the URL they are seeing is different from what the documentation indicates. One community member asks if the documentation is up-to-date, and another suggests that the community member did not follow the steps in the documentation. There is no explicitly marked answer in the comments.