telecom-platform/deployments/kubernetes/manifests/database.yaml

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: postgres
  namespace: telecom-platform
  labels:
    app: postgres
spec:
  serviceName: postgres-service
  replicas: 1
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
      - name: postgres
        image: postgres:15
        ports:
        - containerPort: 5432
        env:
        - name: POSTGRES_DB
          valueFrom:
            configMapKeyRef:
              name: postgres-config
              key: POSTGRES_DB
        - name: POSTGRES_USER
          valueFrom:
            configMapKeyRef:
              name: postgres-config
              key: POSTGRES_USER
        - name: POSTGRES_PASSWORD
          valueFrom:
            secretKeyRef:
              name: postgres-secret
              key: POSTGRES_PASSWORD
        - name: PGDATA
          value: /var/lib/postgresql/data/pgdata
        volumeMounts:
        - name: postgres-storage
          mountPath: /var/lib/postgresql/data
        - name: postgres-config
          mountPath: /docker-entrypoint-initdb.d
        resources:
          requests:
            memory: "256Mi"
            cpu: "250m"
          limits:
            memory: "512Mi"
            cpu: "500m"
      volumes:
      - name: postgres-config
        configMap:
          name: postgres-config
  volumeClaimTemplates:
  - metadata:
      name: postgres-storage
    spec:
      accessModes: ["ReadWriteOnce"]
      resources:
        requests:
          storage: 10Gi
---
apiVersion: v1
kind: Service
metadata:
  name: postgres-service
  namespace: telecom-platform
  labels:
    app: postgres
spec:
  selector:
    app: postgres
  ports:
  - port: 5432
    targetPort: 5432
  type: ClusterIP
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres-exporter
  namespace: telecom-platform
  labels:
    app: postgres-exporter
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgres-exporter
  template:
    metadata:
      labels:
        app: postgres-exporter
    spec:
      containers:
      - name: postgres-exporter
        image: prometheuscommunity/postgres-exporter:v0.11.1
        ports:
        - containerPort: 9187
        env:
        - name: DATA_SOURCE_NAME
          value: "postgresql://postgres:password123@postgres-service:5432/telecom_platform?sslmode=disable"
        resources:
          requests:
            memory: "64Mi"
            cpu: "50m"
          limits:
            memory: "128Mi"
            cpu: "100m"
---
apiVersion: v1
kind: Service
metadata:
  name: postgres-exporter
  namespace: telecom-platform
  labels:
    app: postgres-exporter
spec:
  selector:
    app: postgres-exporter
  ports:
  - port: 9187
    targetPort: 9187
  type: ClusterIP
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis
  namespace: telecom-platform
  labels:
    app: redis
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis
  template:
    metadata:
      labels:
        app: redis
    spec:
      containers:
      - name: redis
        image: redis:7-alpine
        ports:
        - containerPort: 6379
        command:
        - redis-server
        - /etc/redis/redis.conf
        volumeMounts:
        - name: redis-config
          mountPath: /etc/redis
        - name: redis-storage
          mountPath: /data
        resources:
          requests:
            memory: "128Mi"
            cpu: "100m"
          limits:
            memory: "256Mi"
            cpu: "200m"
      volumes:
      - name: redis-config
        configMap:
          name: redis-config
      - name: redis-storage
        emptyDir: {}
---
apiVersion: v1
kind: Service
metadata:
  name: redis-service
  namespace: telecom-platform
  labels:
    app: redis
spec:
  selector:
    app: redis
  ports:
  - port: 6379
    targetPort: 6379
  type: ClusterIP
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-exporter
  namespace: telecom-platform
  labels:
    app: redis-exporter
spec:
  replicas: 1
  selector:
    matchLabels:
      app: redis-exporter
  template:
    metadata:
      labels:
        app: redis-exporter
    spec:
      containers:
      - name: redis-exporter
        image: oliver006/redis_exporter:v1.48.0
        ports:
        - containerPort: 9121
        env:
        - name: REDIS_ADDR
          value: "redis://redis-service:6379"
        resources:
          requests:
            memory: "64Mi"
            cpu: "50m"
          limits:
            memory: "128Mi"
            cpu: "100m"
---
apiVersion: v1
kind: Service
metadata:
  name: redis-exporter
  namespace: telecom-platform
  labels:
    app: redis-exporter
spec:
  selector:
    app: redis-exporter
  ports:
  - port: 9121
    targetPort: 9121
  type: ClusterIP