Cloud Architecture

Immutable Infrastructure with AMI Bakery

Cloud Architecture diagram · made in Skemio

Architecture diagram of an AMI bakery pipeline building golden AMIs with Packer and deploying them to a Blue Green Auto Scaling Group behind an ALB.
Architecture diagram of an AMI bakery pipeline building golden AMIs with Packer and deploying them to a Blue Green Auto Scaling Group behind an ALB.
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What it shows

  • Bake hardened golden AMIs in CI/CD using Packer and Ansible automatically.
  • Deploy via Blue/Green ASGs to swap instances cleanly with zero downtime.
  • Disable SSH in production; destroy and replace whenever updates roll out.

The takeaway

Don't patch live servers in place. Bake tested golden AMIs and swap auto scaling groups cleanly.

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