services: add notice of broken feature #22942
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Description
Waiting for healthy dependencies is not supported in version 3 of docker compose, as explained in:
https://docs.docker.com/compose/releases/release-notes/#1100
The
version
key is also ignored now, so this whole feature is actually broken. I think at the very least, this should be mentioned in the documentation.This took me 2 days of debugging to figure out, and a notice here would've saved me a lot of time.
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