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Dear Baserow users,
I hosted baserow on my server without docker, but now migrated to the docker image.

I get this error related to web sockets. Any ideas what could be done?

I’m using Debian.

Are you using a reverse proxy? If so you need to make sure websocket connections are properly handled in the reverse config’s proxy for Baserow, see this guide:

https://baserow.io/docs/installation/install-behind-nginx