security.yaml

---
apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
  name: restricted
  annotations:
    seccomp.security.alpha.kubernetes.io/allowedProfileNames: 'docker/default'
    apparmor.security.beta.kubernetes.io/allowedProfileNames: 'runtime/default'
    seccomp.security.alpha.kubernetes.io/defaultProfileName:  'docker/default'
    apparmor.security.beta.kubernetes.io/defaultProfileName:  'runtime/default'
spec:
  # Don't allow privileged pods!
  privileged: false  

  # Required to prevent escalations to root.
  allowPrivilegeEscalation: false

  # This is redundant with non-root + disallow privilege escalation,
  # but we can provide it for defense in depth.
  requiredDropCapabilities:
    - ALL

  # Allow core volume types.
  volumes:
    - 'configMap'
    - 'emptyDir'
    - 'projected'
    - 'secret'
    - 'downwardAPI'
    - 'persistentVolumeClaim'

  hostNetwork: false
  hostIPC: false
  hostPID: false

  runAsUser:
    rule: RunAsAny

  # The rest fills in some required fields.
  seLinux:
    rule: RunAsAny

  supplementalGroups:
    rule: RunAsAny

  fsGroup:
    rule: RunAsAny
    
  readOnlyRootFilesystem: false