ingress-nginx-helm/docs/examples/psp/psp.yaml

apiVersion: v1
kind: Namespace
metadata:
  name: ingress-nginx

---

apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
  annotations:
    # Assumes apparmor available
    apparmor.security.beta.kubernetes.io/allowedProfileNames: 'runtime/default'
    apparmor.security.beta.kubernetes.io/defaultProfileName:  'runtime/default'
    seccomp.security.alpha.kubernetes.io/allowedProfileNames: 'docker/default'
    seccomp.security.alpha.kubernetes.io/defaultProfileName:  'docker/default'
  name: ingress-nginx
spec:
  allowedCapabilities:
  - NET_BIND_SERVICE
  allowPrivilegeEscalation: true
  fsGroup:
    rule: 'MustRunAs'
    ranges:
    - min: 1
      max: 65535
  hostIPC: false
  hostNetwork: false
  hostPID: false
  hostPorts:
  - min: 80
    max: 65535
  privileged: false
  readOnlyRootFilesystem: false
  runAsUser:
    rule: 'MustRunAsNonRoot'
    ranges:
    - min: 101
      max: 65535
  seLinux:
    rule: 'RunAsAny'
  supplementalGroups:
    rule: 'MustRunAs'
    ranges:
    # Forbid adding the root group.
    - min: 1
      max: 65535
  volumes:
  - 'configMap'
  - 'downwardAPI'
  - 'emptyDir'
  - 'projected'
  - 'secret'

---

apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: ingress-nginx-psp
  namespace: ingress-nginx
rules:
- apiGroups:
  - policy
  resourceNames:
  - ingress-nginx
  resources:
  - podsecuritypolicies
  verbs:
  - use

---

apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: ingress-nginx-psp
  namespace: ingress-nginx
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: ingress-nginx-psp
subjects:
- kind: ServiceAccount
  name: default
- kind: ServiceAccount
  name: nginx-ingress-serviceaccount