An application is hosted on Google Kubernetes Engine.
A new JavaScript module is created to work with the existing application.
Which task is mandatory to make the code ready to deploy?
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A. B. C. D.D.
The correct answer is A. Create a Dockerfile for the code base.
Google Kubernetes Engine (GKE) is a platform for deploying and managing containerized applications. In order to deploy an application on GKE, it needs to be packaged as a container image. Docker is a popular tool for creating container images, and a Dockerfile is a script that defines the steps needed to build a Docker image.
To make the new JavaScript module ready to deploy on GKE, a Dockerfile needs to be created for the code base. The Dockerfile should contain instructions for installing any necessary dependencies, copying the code into the container, and specifying the command to run the application.
Rewriting the code in Python (answer B) would not be necessary unless there is a specific reason to do so, such as performance or compatibility issues.
Building a wrapper for the code to containerize it (answer C) is not necessary as Docker provides a straightforward way to containerize applications without the need for a wrapper.
Rebasing the code from the upstream git repo (answer D) is a version control operation that involves updating a branch with changes from the main branch. While it may be necessary to rebase code in certain situations, it is not related to containerizing an application for deployment on GKE.