CodeDeploy has been doing this for ages. https://docs.aws.amazon.com/codedeploy/latest/userguide/getting-started-wizard-blue-green.html https://docs.aws.amazon

CodeDeploy has been doing this for ages. https://docs.aws.amazon.com/codedeploy/latest/userguide/getting-started-wizard-blue-green.html https://docs.aws.amazon.com/codedeploy/latest/userguide/gett... Distelli (now Puppet Pipelines) too: https://www.youtube.com/watch?v=ZZlYADohS4Q https://www.youtube.com/watch?v=ZZlYADohS4Q And then there are the PaaS options like Heroku, Beanstalk, AppEngine, Lambda, Serverless, and Apex.