1. Problems faced by distributed systems --- configuration problems
Microservices means splitting the business in a monolithic application into sub-services. The granularity of each service is relatively small, so a large number of services will appear in the system. Since each service requires the necessary configuration information to run, a centralized, dynamic configuration management facility is essential. SpringCloud provides ConfigServer to solve this problem. Each of our microservices carries an application.yml by itself. Think about hundreds of application.yml for hundreds of microservices