Blue-Green Deployment Strategy

Posted on 21 Aug, 2021

Useful in case you need to continuously roll out updates with almost no downtime

  1. Basically stands for copying your production container (🟦) to a new one (🟩)

  2. Applying your changes to the new green container

  3. Push this container to prod alongside the blue one

  4. Perform any automated tests / QA

  5. Gradually redirect your users to the new deployment (load balancing)

  6. Once the transition completes, the blue container can become a backup in case you need to rollback or it can be dumped

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