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Container: Improve explanation of CTL_ON ignore prefix

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Badlop 2025-04-02 13:24:41 +02:00
parent 17b605a32b
commit babd01a87f
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14
CONTAINER.md
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@ -266,15 +266,21 @@ and reads `CTL_ON_START` every time the container is started.
Those variables can contain one ejabberdctl command,
or several commands separated with the blankspace and `;` characters.
By default failure of any of commands executed that way would
abort start, this can be disabled by prefixing commands with `!`
If any of those commands returns a failure, the container starting gets aborted.
If there is a command with a result that can be ignored,
prefix that command with `!`
Example usage (or check the [full example](#customized-example)):
This example, registers an `admin@localhost` account when the container is first created.
Everytime the container starts, it shows the list of registered accounts,
checks that the admin account exists and password is valid,
changes the password of an account if it exists (ignoring any failure),
and shows the ejabberd starts (check also the [full example](#customized-example)):
```yaml
environment:
- CTL_ON_CREATE=! register admin localhost asd
- CTL_ON_CREATE=register admin localhost asd
- CTL_ON_START=stats registeredusers ;
check_password admin localhost asd ;
! change_password bot123 localhost qqq ;
status
```