Kubernetes Secrets are secure objects which store sensitive data, such as passwords, OAuth tokens, and SSH keys etc. with encryption in your clusters. Using Secrets gives you more flexible in a Pod Life cycle definition, and control over how sensitive data is used.
List secret: View secret: Using YAML file: The Secret contains two maps: data and stringData.
Decoding secret values: A Secret can be used with your workloads in two ways: Environment variables: Secret as Volume: Additional Info : Secret creation syntax