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k8s_autoscale-CPU.yaml
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k8s_autoscale-CPU.yaml
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---
### Deployment
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx
labels:
app: nginx
spec:
replicas: 1
selector:
matchLabels:
app: nginx
template:
metadata:
name: nginx
labels:
app: nginx
spec:
affinity:
podAntiAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
- labelSelector:
matchExpressions:
- key: app
operator: In
values:
- nginx
topologyKey: "kubernetes.io/hostname"
containers:
- name: nginx
image: k8s.gcr.io/hpa-example
resources:
requests:
memory: "256Mi"
cpu: "500m"
limits:
memory: "500Mi"
cpu: "1"
---
### Service
apiVersion: v1
kind: Service
metadata:
name: nginx
spec:
selector:
app: nginx
ports:
- protocol: TCP
port: 80
targetPort: 80
type: LoadBalancer
---
### HPA
apiVersion: autoscaling/v1
kind: HorizontalPodAutoscaler
metadata:
name: nginx
spec:
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: nginx
minReplicas: 1
maxReplicas: 10
targetCPUUtilizationPercentage: 20