apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: postgres
  namespace: toolrate
spec:
  serviceName: postgres
  replicas: 1
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - name: postgres
          image: postgres:16-alpine
          ports:
            - containerPort: 5432
              name: pg
          env:
            - name: POSTGRES_USER
              value: toolrate
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: app-secrets
                  key: POSTGRES_PASSWORD
            - name: POSTGRES_DB
              value: toolrate
          volumeMounts:
            - name: data
              mountPath: /var/lib/postgresql/data
          resources:
            requests:
              cpu: 100m
              memory: 256Mi
            limits:
              cpu: 500m
              memory: 512Mi
          livenessProbe:
            exec:
              command: [pg_isready, -U, toolrate]
            initialDelaySeconds: 15
            periodSeconds: 10
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes: [ReadWriteOnce]
        resources:
          requests:
            storage: 10Gi
---
apiVersion: v1
kind: Service
metadata:
  name: postgres
  namespace: toolrate
spec:
  selector:
    app: postgres
  ports:
    - port: 5432
      targetPort: 5432