Ravi Sir's Cards › AWS
Why not call Lambda Function URLs from a public SPA forever?
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
You lose rich routing, usage plans and central auth patterns.
Why it matters
API Gateway (or CloudFront+auth) is the usual public front door.
How / example
Use Function URLs for simple private tools; public apps prefer Gateway.