apiVersion: v1
kind: LimitRange
metadata:
  name: mem-limit-range
  namespace: demo
spec:
  limits:
    - default:
        memory: 512Mi
      defaultRequest:
        memory: 256Mi
      type: Container
---
apiVersion: v1
kind: Pod
metadata:
  name: default-mem-demo
  namespace: demo
spec:
  containers:
    - name: default-mem-demo
      image: nginx:alpine