• A deployment environment that is “live,” that is, that users directly interact with. When deploying a new release to production, rather than immediately deploying to all instances or users, it may be deployed to a single instance or fraction of users first, and then either deployed to all or gradually deployed in phases, in order to catch last-minute problems. This is similar to staging, except done in production, and is referred to as a canary release, by analogy with coal mining. ← Wikipedia

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