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apiVersion: apps/v1
kind: StatefulSet
metadata:
name: postgres
namespace: ad-management
spec:
serviceName: postgres
replicas: 1
selector:
matchLabels:
app: postgres
template:
metadata:
labels:
app: postgres
spec:
containers:
- name: postgres
image: postgres:15-alpine
ports:
- containerPort: 5432
name: postgres
env:
- name: POSTGRES_DB
valueFrom:
configMapKeyRef:
name: ad-management-config
key: POSTGRES_DB
- name: POSTGRES_USER
valueFrom:
configMapKeyRef:
name: ad-management-config
key: POSTGRES_USER
- name: POSTGRES_PASSWORD
valueFrom:
secretKeyRef:
name: ad-management-secrets
key: POSTGRES_PASSWORD
volumeMounts:
- name: postgres-data
mountPath: /var/lib/postgresql/data
resources:
requests:
memory: "256Mi"
cpu: "100m"
limits:
memory: "1Gi"
cpu: "500m"
livenessProbe:
exec:
command:
- pg_isready
- -U
- postgres
initialDelaySeconds: 30
periodSeconds: 10
timeoutSeconds: 5
failureThreshold: 3
readinessProbe:
exec:
command:
- pg_isready
- -U
- postgres
initialDelaySeconds: 5
periodSeconds: 5
timeoutSeconds: 3
failureThreshold: 1
volumeClaimTemplates:
- metadata:
name: postgres-data
spec:
accessModes: [ "ReadWriteOnce" ]
resources:
requests:
storage: 10Gi
---
apiVersion: v1
kind: Service
metadata:
name: postgres
namespace: ad-management
spec:
selector:
app: postgres
ports:
- port: 5432
targetPort: 5432
clusterIP: None # Headless service for StatefulSet