To create a repository for snapshots in Elasticsearch 8.12.2 I need to set the variable “path.repo”. But Elasticsearch pod doesnt accept . in a variable name. I can’t create such variable. I use K8S Helm Chart Camunda 8.5.0.

I am using Camunda 8 self-managed instance deployed by docker compose and recently I have upgraded it to version 8.5, all the components are working just fine except Optimize. Its container remain unhealthy and the logs indicate that Optimize not compatible with the version of elasticsearch that is installed along with the compose installation.
Here are the logs: