Update Jira Dockerfile, entrypoint scripts and config template

Summary

Request to update an application in Iron Bank.

Version: No version update

Jira Dockerile, entrypoint and configuration file templates are out of sync with the upstream . To be using the latest features (mostly about cfg files generation and K8s support), scripts and config in this repository need to be updated.

Tasks

Contributor:

• Update Dockerfile, hardening_manifest.yaml and adhere to Iron Bank requirements
• Ensure container builds successfully in the Iron Bank pipeline
• Provide justifications for findings in the VAT (docs)
• Open a Merge Request from your branch to development
• Apply the ~"Hardening::Review" label to this issue and wait for feedback

Iron Bank:

• Merge contributor branch to development
• Review findings and justifications
• Send approval request to Authorizing Official
• Merge development to master and close issue after approval from Authorizing Official