Bug #19603
Updated by Peter Amstutz over 1 year ago
For container shell to work, nginx needs to be configured to allow connection upgrade requests to establish the proxy forward to the container.
Here is the change
https://doc.arvados.org/v2.2/admin/upgrading.html
<pre>
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
</pre>