ly-registry: Service registry (EurekaServer)
ly-gateway: Service gateway (Zuul)
ly-item: commodity microservices
ly-item-interface: Mainly exposed interfaces and related entity classes
ly-item-service: Internal use interface and all business logic
leyou-common: reuse higher code and modules
leyou-upload: Image file upload microservice (HDFS)
leyou-search: search microservice ( Elasticsearch )