首次提交：初始化项目

010-中间件/002-postgresql/postgresql-deployment.yaml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: postgresql-pvc
+  namespace: postgresql
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: longhorn
+  resources:
+    requests:
+      storage: 10Gi
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: postgresql-secret
+  namespace: postgresql
+type: Opaque
+stringData:
+  POSTGRES_PASSWORD: "postgres123"
+  POSTGRES_USER: "postgres"
+  POSTGRES_DB: "postgres"
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: postgresql-config
+  namespace: postgresql
+data:
+  postgresql.conf: |
+    # 连接设置
+    listen_addresses = '*'
+    max_connections = 100
+
+    # 内存设置
+    shared_buffers = 256MB
+    effective_cache_size = 1GB
+    maintenance_work_mem = 64MB
+    work_mem = 4MB
+
+    # WAL 设置
+    wal_level = replica
+    max_wal_size = 1GB
+    min_wal_size = 80MB
+
+    # 日志设置
+    logging_collector = on
+    log_directory = 'log'
+    log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log'
+    log_statement = 'all'
+    log_duration = on
+
+    # 性能优化
+    random_page_cost = 1.1
+    effective_io_concurrency = 200
+
+  pg_hba.conf: |
+    # TYPE  DATABASE        USER            ADDRESS                 METHOD
+    local   all             all                                     trust
+    host    all             all             0.0.0.0/0               md5
+    host    all             all             ::0/0                   md5
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: postgresql
+  namespace: postgresql
+spec:
+  serviceName: postgresql
+  replicas: 1
+  selector:
+    matchLabels:
+      app: postgresql
+  template:
+    metadata:
+      labels:
+        app: postgresql
+    spec:
+      containers:
+      - name: postgresql
+        image: postgres:16-alpine
+        ports:
+        - containerPort: 5432
+          name: postgresql
+        env:
+        - name: POSTGRES_USER
+          valueFrom:
+            secretKeyRef:
+              name: postgresql-secret
+              key: POSTGRES_USER
+        - name: POSTGRES_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: postgresql-secret
+              key: POSTGRES_PASSWORD
+        - name: POSTGRES_DB
+          valueFrom:
+            secretKeyRef:
+              name: postgresql-secret
+              key: POSTGRES_DB
+        - name: PGDATA
+          value: /var/lib/postgresql/data/pgdata
+        volumeMounts:
+        - name: data
+          mountPath: /var/lib/postgresql/data
+        - name: config
+          mountPath: /etc/postgresql
+        resources:
+          requests:
+            memory: "512Mi"
+            cpu: "250m"
+          limits:
+            memory: "2Gi"
+            cpu: "1000m"
+        livenessProbe:
+          exec:
+            command:
+            - pg_isready
+            - -U
+            - postgres
+          initialDelaySeconds: 30
+          periodSeconds: 10
+        readinessProbe:
+          exec:
+            command:
+            - pg_isready
+            - -U
+            - postgres
+          initialDelaySeconds: 5
+          periodSeconds: 5
+      volumes:
+      - name: data
+        persistentVolumeClaim:
+          claimName: postgresql-pvc
+      - name: config
+        configMap:
+          name: postgresql-config
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: postgresql
+  namespace: postgresql
+spec:
+  selector:
+    app: postgresql
+  ports:
+  - port: 5432
+    targetPort: 5432
+    protocol: TCP
+  type: ClusterIP
+  clusterIP: None
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: postgresql-service
+  namespace: postgresql
+spec:
+  selector:
+    app: postgresql
+  ports:
+  - port: 5432
+    targetPort: 5432
+    protocol: TCP
+  type: ClusterIP