Monday, 15 April 2013

Blue Green Deployment Environments

The idea is that we should be having two copies (Blue and Green) of the same application on each environment (Dev, Staging, Live, etc).

One environment is always passive and is where we deploy the changes to and can test and make sure that all the tests pass e.g.

The other environment is always active which is an old passive application which has been activated after the tests have all passed.

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