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AWS notes for developers

Master AWS with a curated set of 3 developer notes — core concepts, patterns, and interview prep. Maintained by the DevRecall team.

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AWS

Core Services

Core AWS Services Compute EC2 — virtual machines; choose instance type (t3.micro, c6i.large, etc.), AMI, VPC, security groups ECS / EKS — container orchestratio

AWS

S3, Lambda & IAM Patterns

S3, Lambda & IAM Patterns S3 — Key Operations (AWS CLI) # Create / manage buckets aws s3 mb s3://my-bucket aws s3 rb s3://my-bucket --force # Copy / sync aws s3

AWS

Interview Questions

AWS Interview Questions Q: What is the difference between horizontal and vertical scaling? Vertical scaling (scale up) — add more resources to the same instance

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