Answer
A Secret stores sensitive data encoded in base64; encryption at rest improves security.
Quick Answer
A Secret stores sensitive data (passwords, tokens, certificates) separately from the application image. They're base64-encoded in etcd (and can be encrypted at rest). Secrets can be mounted as files or injected as environment variables. Separating secrets from code means you don't expose them in Docker images or version control.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ