docs: expand docs around herokuish upgrades

Refs https://github.com/dokku/dokku/pull/4063#discussion_r460257032

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This commit is contained in:
Jose Diaz-Gonzalez
2020-07-28 15:12:51 -04:00
committed by GitHub
parent e1753bbac4
commit f9b1a74edf

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@@ -39,7 +39,9 @@ Why do we recommend stopping all apps?
- `docker`: Containers may be randomly reset during the upgrade process, resulting in
requests being sent to the wrong containers. Acknowledging and scheduling downtime
thus becomes much more important.
- `herokuish`: While not required, it may be useful to take advantage of the
- `herokuish`: While not required, it may be useful to take advantage of the latest
base image. Herokuish changes do not cause issues unless the base OS changes, which
may happen in minor or major releases.
```shell
# for 0.11.4 and newer versions, use: