Automating AL2023 custom hardened AMI updates for Amazon EKS managed nodes
Containers Blog
This article discusses an automated solution for updating Amazon EKS managed node groups with custom, hardened Amazon Linux 2023 AMIs that meet CIS Benchmark Level 2 security standards.
- Addresses the need for regulatory compliance in industries like financial services, healthcare, and government
- Provides an automated pipeline to build, deploy, and validate custom AMIs
- Reduces AMI update process from 3-4 days to approximately 50 minutes
- Uses AWS services like EventBridge, Lambda, EC2 Image Builder, and CodeBuild
- Implements an automated workflow that: - Checks for new AMI releases - Creates custom hardened AMIs - Updates staging and production EKS clusters - Tests applications after updates - Sends notifications about the update process
The solution helps organizations improve security, reduce operational overhead, and maintain compliance with minimal manual intervention.
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