K8S-部署Postgres

apiVersion: v1

kind: PersistentVolumeClaim

metadata:

name: postgres-pv-claim

namespace: ops

spec:

accessModes:

  • ReadWriteMany

resources:

requests:

storage: 13Gi

storageClassName: xxxxx


apiVersion: apps/v1

kind: Deployment

metadata:

name: postgres

namespace: ops

labels:

app: postgres

spec:

selector:

matchLabels:

app: postgres

replicas: 1

strategy:

rollingUpdate:

maxSurge: 25%

maxUnavailable: 25%

type: RollingUpdate

template:

metadata:

labels:

app: postgres

spec:

containers:

  • name: postgres

image: swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/postgres:15-alpine

imagePullPolicy: IfNotPresent

resources:

requests:

cpu: 100m

memory: 100Mi

limits:

cpu: 4

memory: 8000Mi

env:

  • name: POSTGRES_PASSWORD

value: 'xxx'

  • name: POSTGRES_USER

value: 'xxx'

  • name: POSTGRES_DB

value: 'postgres'

  • name: PGDATA

value: /var/lib/postgresql/data/pgdata

ports:

  • containerPort: 5432

name: postgresport

volumeMounts:

  • name: localtime

mountPath: /etc/localtime

  • name: data-disk

mountPath: /var/lib/postgresql/data

volumes:

  • name: localtime

hostPath:

path: /usr/share/zoneinfo/Asia/Shanghai

  • name: data-disk

persistentVolumeClaim:

claimName: postgres-pv-claim


apiVersion: v1

kind: Service

metadata:

name: postgres

namespace: ops

spec:

selector:

app: postgres

type: NodePort

ports:

  • name: postgres

port: 5432

targetPort:

protocol: TCP

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