Google Professional Cloud DevOps Engineer
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When deploying an application to a Kubernetes cluster that needs to securely connect to another service using a username and password, what is the best practice to ensure the credentials are used securely across multiple environments with minimal code changes?
A
Bundle the credentials with the code inside the container and secure the container registry.
B
Store the credentials as a Kubernetes ConfigMap and let the application access it via environment variables at runtime.
C
Leverage a CI/CD pipeline to update the variables at build time and inject them into a templated Kubernetes application manifest.
D
Store the credentials as a Kubernetes Secret and let the application access it via environment variables at runtime.