A separate Stash version of this JIRA 'environment' page may be called for, to address the best practice aspects:

https://confluence.atlassian.com/display/JIRA/Establishing+Staging+Server+Environments+for+JIRA

In the mean time, please follow the steps below to replicate your production environment to a different staging server.

• Backup your instance using our backup/restore tool. Please refer to:
  • Backing up Stash using the client
• Restore your instance using our backup/restore tool. Please refer to:
  • Restoring Stash into a newly created DB
• Change your license into a development license using the UI: Administration >> License >> Edit License. Please refer to the link below in order to get the steps to generate a development license:
  • FAQ - 9. Would additional licenses be needed if the software is deployed on a development server or staging server for testing purposes?