Ravi Sir's Cards › AWS
Lambda version vs alias?
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 version is frozen, numbered code.
Why it matters
An alias is a movable pointer like prod.
update-alias
How / example
Roll back by pointing the alias to the old version.