2022-08-14：k8s安装PostgreSQL，yaml如何写？
答案2022-08-14：
yaml如下：
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: postgres
name: postgres
namespace: moonfdd
spec:
replicas: 1
selector:
matchLabels:
app: postgres
template:
metadata:
labels:
app: postgres
spec:
containers:
- env:
- name: POSTGRES_PASSWORD
value: "moonfdd"
image: "postgres"
imagePullPolicy: IfNotPresent
name: postgres
volumeMounts:
- mountPath: /var/lib/postgresql/data
name: volv
volumes:
- hostPath:
path: /root/k8s/moonfdd/postgres/var/lib/postgresql/data
type: DirectoryOrCreate
name: volv
---
apiVersion: v1
kind: Service
metadata:
labels:
app: postgres
name: postgres
namespace: moonfdd
spec:
ports:
- port: 5432
protocol: TCP
targetPort: 5432
selector:
app: postgres
type: NodePort结果如下：
