Connection refused | Kubernetes: Introdução a orquestração de containers

Estou recebendo connection refused quando acesso a aplicação web.

artefatos:

apiVersion: v1
kind: Service
metadata:
  name: db
spec:
  type: ClusterIP
  ports:
    - port: 3306
  selector:
    name: mysql
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: statefulset-mysql
spec:
  serviceName: db
  replicas: 1
  selector:
    matchLabels:
      app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
        - name: container-mysql
          image: mysql:5.7.19
          ports:
            - containerPort: 3306
          env:
            - name: MYSQL_DATABASE
              value: "loja"
            - name: MYSQL_USER
              value: "root"
            - name: MYSQL_ALLOW_EMPTY_PASSWORD
              value: "1"
          volumeMounts:
            - name: volume-mysql
              mountPath: /var/lib/mysql
      volumes:
        - name: volume-mysql
          persistentVolumeClaim:
            claimName: configuracao-mysql
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: configuracao-mysql
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 3Gi

apiVersion: v1 kind: Service metadata: name: db spec: type: ClusterIP ports: - port: 3306 selector: app: mysql-statefulset --- apiVersion: apps/v1 kind: StatefulSet metadata: name: statefulset-mysql labels: app: mysql-statefulset spec: serviceName: db selector: matchLabels: app: mysql-statefulset template: metadata: labels: app: mysql-statefulset spec: containers: - name: container-mysql image: mysql:5.7.19 ports: - containerPort: 3306 env: - name: MYSQL_DATABASE value: "loja" - name: MYSQL_USER value: "root" - name: MYSQL_ALLOW_EMPTY_PASSWORD value: "1" volumeMounts: - name: volume-mysql mountPath: /var/lib/mysql volumes: - name: volume-mysql persistentVolumeClaim: claimName: configuracao-mysql --- apiVersion: v1 kind: PersistentVolumeClaim metadata: name: configuracao-mysql spec: accessModes: - ReadWriteOnce resources: requests: storage: 3Gi