Ravi Sir's Cards › AWS
How does the SDK find role 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
What it is
A fixed search order: env vars → shared config/profile → web identity → container → EC2 metadata.
Why it matters
Old AWS_ACCESS_KEY_ID in env silently beats the role. Many "wrong account" bugs come from this.
AWS_ACCESS_KEY_ID
How / example
Unset env keys, then run aws sts get-caller-identity to see who you really are.
aws sts get-caller-identity