Well, I think we have an answer to "what end" now.
Yes, if you have a deployment strategy where you can reproducibly deploy from your source code repository, then you don't need to back up the servers. But until you've tested that that works, and I mean really tested it, you need server backups.
Yes, if you have a deployment strategy where you can reproducibly deploy from your source code repository, then you don't need to back up the servers. But until you've tested that that works, and I mean really tested it, you need server backups.