Ravi Sir's Cards › AWS
Credentials
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
Credentials
IAM role
Temporary STS keys that rotate by themselves.
Access keys
Long-lived keys that stay valid until you delete them.
Key points
No secret on disk or in Git.
Easy to leak in code, AMIs and laptops.
Example
EC2 instance profile reads S3.
Use when
Use for EC2, Lambda, ECS, CI.
Only when no role option exists.