# Canary Containers at ClassDojo in Too Much Detail [Canary releases](https://martinfowler.com/bliki/CanaryRelease.html) are pretty great! ClassDojo uses them as part of our continuous delivery pipeline: having a subset of real users use & validate our app before continuing with deploys allows us to safely & automatically deploy many times a day. Our canary releases are conceptually simple: 1. we start canary containers with a new container image 2. we then route some production traffic to th...
