In theory it's great in practice you don't have access to it.
So you just need to configure the takeout once a year and you'll automatically receive a backup once every two month.
Paying experts in their field (chat tools in this case) is most of the time the most reliable and cheapest variant. You must also include that Slack has plenty of features that are not available in IRC and mean the productivity is not as good.
Maven: https://docs.gitlab.com/ee/user/project/packages/maven_repos...
NPM: https://docs.gitlab.com/ee/user/project/packages/npm_registr...
We eyed on switching from kops to EKS. But immediately stepped down after experiencing so many issues.