Patching AWS Elastic Beanstalk

Rackspace’s recommended method for securing Elastic Beanstalk environments with current software updates is to update the environment in-place to the latest version of the environment’s platform. Elastic Beanstalk will update the Auto-Scaling Group and Launch Configuration with the new AMI version and will perform a rolling replacement of instances. For more information, see Updating Your Elastic Beanstalk Environment’s Platform Version and Elastic Beanstalk Supported Platforms.

Managed Platform Updates

Additionally, you may wish to enable managed platform updates, which can update the environment’s platform version inside a weekly maintenance window (not available for the .NET on Windows Server platform).