Immutable Infrastructure
Immutable infrastructure is an approach where servers or containers are never modified after deployment — any update or fix is made by building a new image and replacing the old instance entirely, rather than patching it in place.
6 resources across 2 libraries
Glossary Terms(3)
Configuration Drift
Configuration drift is the gradual divergence of a system's actual running configuration from its intended, documented, or version-controlled state, usually ca…
Immutable Infrastructure
Immutable infrastructure is an approach where servers or containers are never modified after deployment — any update or fix is made by building a new image and…
Twelve-Factor App
The Twelve-Factor App is a methodology of twelve best practices for building software-as-a-service applications that are portable, scalable, and easy to deploy…
Interview Questions(3)
What Is Immutable Infrastructure?
Immutable infrastructure is a model where servers or containers are never modified after deployment — any change is made by building a new image and replacing…
What is HashiCorp Packer and When Would You Use It?
Packer is a tool that automates building identical, pre-configured machine images — such as AWS AMIs, Azure images, or VM templates — from a single declarative…
What Is a Good Container Image Tagging Strategy?
A good container image tagging strategy uses immutable, unique tags — typically the Git commit SHA or a semantic version — for every build that gets deployed,…