http://eweiibe6dfzpdr3sjwemxg6ntnl6os7hmoxqegg2igksed2xf35357yd.onion/help/ci/environments/_index.md
To indicate that a specific environment is for a specific use, you can use tiers: Environment tier Environment name examples production Production, Live staging Staging, Model, Demo testing Test, QC development Dev, Review apps , Trunk other By default, GitLab assumes a tier based on the environment name .