apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: postgres
  namespace: com-ermnvldmr
spec:
  serviceName: postgres-service
  replicas: 1
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - name: postgres
          image: postgres:16-alpine
          imagePullPolicy: IfNotPresent
          env:
            - name: POSTGRES_DB
              valueFrom:
                secretKeyRef:
                  name: postgres-secrets
                  key: POSTGRES_DB
            - name: POSTGRES_USER
              valueFrom:
                secretKeyRef:
                  name: postgres-secrets
                  key: POSTGRES_USER
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: postgres-secrets
                  key: POSTGRES_PASSWORD
            - name: PGDATA
              value: /var/lib/postgresql/data/pgdata
          ports:
            - name: postgres
              containerPort: 5432
          resources:
            requests:
              cpu: 50m
              memory: 128Mi
            limits:
              cpu: 250m
              memory: 256Mi
          volumeMounts:
            - name: data
              mountPath: /var/lib/postgresql/data
            - name: config
              mountPath: /etc/postgresql/postgresql.conf
              subPath: postgresql.conf
          readinessProbe:
            exec:
              command:
                - pg_isready
                - -U
                - $(POSTGRES_USER)
                - -d
                - $(POSTGRES_DB)
            initialDelaySeconds: 5
            periodSeconds: 10
            timeoutSeconds: 5
          livenessProbe:
            exec:
              command:
                - pg_isready
                - -U
                - $(POSTGRES_USER)
                - -d
                - $(POSTGRES_DB)
            initialDelaySeconds: 15
            periodSeconds: 20
            timeoutSeconds: 5
      volumes:
        - name: data
          persistentVolumeClaim:
            claimName: postgres-pvc
        - name: config
          configMap:
            name: postgres-config