Ravi Sir's Cards › AWS
Strangler not big-bang
This revision card explains Strangler not big-bang. It starts from the need that weekend rewrites of monoliths burn teams and customers. It describes route new slices to Lambda behind a facade; leave the rest on the monolith. The how-to section notes pick one capability , then parity tests , then route % traffic , then keep rollback. An example on the card is priya Deshmukh migrates read APIs first, writes later.
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What this card says
Why do we need it?
Weekend rewrites of monoliths burn teams and customers.
What is it?
Route new slices to Lambda behind a facade; leave the rest on the monolith.
strangler fig
How to do it
Pick one capability → parity tests → route % traffic → keep rollback.
Example
Priya Deshmukh migrates read APIs first, writes later.