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Cloud Computing Intermediate

What is CloudFormation?

An AWS service that provisions and manages cloud resources using declarative JSON or YAML templates.

CloudFormation templates define AWS resources (EC2, RDS, S3, Lambda, VPC, etc.) and their configurations. A template creates a "stack" — a collection of resources managed as a single unit. Changes to templates trigger stack updates with dependency-aware ordering.

Features include change sets (preview changes), rollback on failure, drift detection, nested stacks, and cross-stack references. CloudFormation is AWS-specific; Terraform provides similar functionality across multiple cloud providers.

Related Terms

Cloud Function
A serverless compute service that runs code in response to events without requiring server management or infrastructure provisioning.
Cloud Migration
The process of moving applications, data, and workloads from on-premises infrastructure to cloud computing environments.
Kubernetes Pod
The smallest deployable unit in Kubernetes, consisting of one or more containers that share storage, network, and lifecycle.
Cloud Cost Optimization
Strategies and practices to reduce and control cloud computing expenses while maintaining performance and availability.
Cloud IAM
Identity and Access Management services that control who can access cloud resources and what actions they can perform.
Cloud Storage Tiers
Different storage classes offered by cloud providers, optimized for varying access patterns from frequent to archival use.
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