Question
A developer is deploying an AWS Lambda function. The developer wants the ability to return to older versions of the function quickly and seamlessly.
How can the developer achieve this goal with the LEAST operational overhead?
- A. Use AWS OpsWorks to perform blue/green deployments.
- B. Use a function alias with different versions. Correct
- C. Maintain deployment packages for older versions in Amazon S3.
- D. Use AWS CodePipeline for deployments and rollbacks.
Explanation
Using a function alias with different versions (Option B) allows the developer to quickly switch between Lambda function versions with minimal operational overhead, as it leverages native AWS Lambda features designed specifically for version control and management.
