apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: timescaledb
spec:
  serviceName: timescaledb
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: timescaledb
  template:
    metadata:
      labels:
        app.kubernetes.io/name: timescaledb
    spec:
      containers:
        - name: timescaledb
          image: timescale/timescaledb:latest-pg15
          ports:
            - containerPort: 5432
              name: postgres
          env:
            - name: POSTGRES_USER
              value: monitor
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: timescaledb-secret
                  key: password
            - name: POSTGRES_DB
              value: monitor
          resources:
            requests:
              memory: "256Mi"
              cpu: "100m"
            limits:
              memory: "512Mi"
              cpu: "500m"
          volumeMounts:
            - name: data
              mountPath: /var/lib/postgresql/data
            - name: init-scripts
              mountPath: /docker-entrypoint-initdb.d
          livenessProbe:
            exec:
              command: ["pg_isready", "-U", "monitor", "-d", "monitor"]
            initialDelaySeconds: 30
            periodSeconds: 10
          readinessProbe:
            exec:
              command: ["pg_isready", "-U", "monitor", "-d", "monitor"]
            initialDelaySeconds: 5
            periodSeconds: 5
      volumes:
        - name: init-scripts
          configMap:
            name: timescaledb-init
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes: ["ReadWriteOnce"]
        resources:
          requests:
            storage: 5Gi