Secrets and ConfigMaps

Managing access to Secrets and ConfigMaps securely is critical in a Kubernetes environment.

Key Considerations:

RBAC controls who can get, list, or watch these resources
Secrets should only be readable by apps that require them
ConfigMaps, while not sensitive by default, can contain crucial configuration data

Example: Restricting Secret Access

kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  namespace: default
  name: secret-reader
rules:
- apiGroups: [""]
  resources: ["secrets"]
  verbs: ["get"]

Pair with a RoleBinding to assign this role to a service account or user. Avoid granting update or delete access unless necessary.

Always monitor and audit access to these resources to maintain security best practices.

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