apiVersion: apps/v1 kind: StatefulSet metadata: name: mongo spec: selector: matchLabels: app: mongo serviceName: "mongo" replicas: 3 template: metadata: labels: app: mongo spec: terminationGracePeriodSeconds: 10 containers: - name: mongo image: mongo command: - mongod - "--bind_ip_all" - "--replSet" - rs0 ports: - containerPort: 27017 volumeMounts: - name: mongo-volume mountPath: /data/db volumeClaimTemplates: - metadata: name: mongo-volume spec: accessModes: [ "ReadWriteOnce" ] resources: requests: storage: 1Gi