You need to migrate a monolithic app to microservices while minimizing business impact. Which approach is best?
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Correct answer: Replace the application's features with appropriate microservices in phases..
Why this is the answer
Migrating a monolithic application to microservices in phases, often called the Strangler Fig pattern, minimizes business impact by gradually replacing parts of the monolith with new microservices. This allows for continuous operation and testing, reducing risk. Deploying to Compute Engine with autoscaling is a lift-and-shift strategy, not a microservices migration. Refactoring in a single effort is high-risk and can lead to significant downtime or failure. Building a new application entirely and replacing the monolith at once also carries high risk and requires significant upfront investment without incremental benefits.
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