With containers updates can be really easy. We can support single click update of apps. It's just One possible way of implementing this feature would be to create an update button which on click would stop the running container, download the latest image of the app (which is the updated app) and restart the container. Though implementing this from docker perspective is not a matter big deal at all but it can get tricky as well if there are some major upgrades in code then the vendor must take care of supporting them nowdata migration from older version to newer versions in their image itself. But this problem of migration exists without containers as well.