ReplicaSet
replicaset.yamlapiVersion: apps/v1
kind: ReplicaSet
metadata:
name: nginx
namespace: nginx
labels:
app: nginx
spec:
replicas: 3
selector:
matchLabels:
app: nginx
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx:1.14.2
ports:
- containerPort: 80
Kubernetes Documentation