This specific point (value free to choose) will help your rollback procedure easier, a simple change in the back-end will help you generate new values on deploy to be used and stored by your Varnish caching.
- Download the extension
- Disable compiling code
- Extract the contents of the folder inside your Magento root
- Flush CONFIG cache
- Set a version under System > Configuratin > ADVANCED > Developer > Merge CSS/JS
The Magento extension is provided as is, we're not reliable for any downtimes or malfunctions during the installation of the module, it is at all times adviced to create a back-up of your store (source code, databases) before proceeding with any module upgrade/installment.
Testing of a new module should happen on an enclosed environment to see the direct impact before replicating the behaviour on a production environment
In case of any support questions, please use the contact us page.