dalbani commented on issue #364:
URL: https://github.com/apache/solr-operator/issues/364#issuecomment-969062840
For those who might be interested in an alternative to @fernaspiazu's trick,
here's how I did it:
```
lifecycleHooks:
postStart:
exec:
command:
- /bin/sh
- -ceux
- >
jts_version=1.18.2 &&
dir=/opt/bitnami/solr/server/solr-webapp/webapp/WEB-INF/lib &&
test -f ${dir}/jts-core-${jts_version}.jar ||
curl -o ${dir}/jts-core-${jts_version}.jar
https://repo1.maven.org/maven2/org/locationtech/jts/jts-core/${jts_version}/jts-core-${jts_version}.jar
```
Although it works fine for me in practice, this solution probably relies on
the `postStart` being called _before_ the app starts up.
And no such guarantee in terms of timing exists as far as I can read on
<https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/>.
> This hook is executed immediately after a container is created. However,
there is no guarantee that the hook will execute before the container
ENTRYPOINT.
So your mileage may vary.
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