It would be useful to have the ability to set a stop/shutdown hook. Much like ENTRYPOINT but for when docker stop is run. Docker stop I believe sends a SIGKILL 15 then a KILL 9 (die damn you) which pulls the rug out from under the processes. If you could set up an EXITPOINT process then it would be possible to point it at a shell script or such which could gracefully shut things down prior to container stoppage.
noahwhite
All 3 comments
There is work done around hooks, they will look like git hooks (drop a binary in the right directory and it'll be executed) We don't have any ETA for now, but it'll be merged.
vieux
on 7 Oct 2013
Hooks are going to be added for other features as well, not only shutdown.
I'll close this issue now because a larger planned feature will add this and this issue isn't immediately actionable. Please feel free to comment.
unclejack
on 25 Nov 2013
Shouldn't have closed this. It's not been addressed.
jcoffland
on 27 Jun 2014
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Most helpful comment
Shouldn't have closed this. It's not been addressed.