Canary releasing is a deployment strategy in which a new version of a software application is gradually rolled out to a small subset of users or instances before making it available to the entire user base[1][2][3][4]. The name "canary" is derived from the practice of using canaries in coal mines to detect dangerous gases, as the canaries would be affected before the miners, providing an early warning[2].
In a canary release, the new version is first deployed to a small group of servers or instances, serving only a fraction of the user traffic[1]. The behavior and performance of the canary version are closely monitored to ensure it is functioning as expected[1][4]. If the canary release is successful, the new version is gradually rolled out to a larger audience[1][2]. If any issues or problems are detected during the canary release, the deployment can be quickly r...
