I’m thinking of auto-updating Discourse via cronjob. For example every two weeks in the night a cronjob with the following:
cd /var/discourse
./launcher rebuild app
Do you think this is safe to do? Or should I do this manually?
It’s possible that something will go wrong and you’ll leave your site broken. I recommend that you list attention when you do it.
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Yeah. I was thinking of sending all the build output via mail, so I can check in the morning.
Personally, I do the exact same thing with my sites, but I use the two-container install in case the bootstrap fails.
Only if the bootstrap completes successfully does the old container stop and the new one start.
So far I have had no problems
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As Jay said, in rare cases, an update can sheep issues (whether in Discourse itself or with plugins/components).
I’ve seen it happen a couple of times in a few years. It’s very rare, and fixes are made quickly, but because of this, I tend to get information on the updates (and check the #bug category 
) before rebuilding my instances. I often wait for a few days after a new version is officially released.
And do a ./launcher cleanup sometimes as well.
So, I prefer to update when I want and after gathering information. I have potential damage control, it’s safer.
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