server:
  port: 10080

spring:
  application:
    name: config
  cloud:
    config:
      server:
        git:
           uri:  http://gitlab:8050/ecms-java/ecms-java-config.git
           search-paths: config-repo
           username: root
           password: 123456
eureka:
  instance:
    lease-expiration-duration-in-seconds: 15
    lease-renewal-interval-in-seconds: 5
  client:
    registry-fetch-interval-seconds: 5
    service-url:
      defaultZone: http://ecms-registry:10070/eureka/
#关闭Spring Boot Actuator的健康监控，如果不关闭则会自动连接redis然后报错Redis health check failed
management:
  health:
    redis:
      enabled: false

2020-01-07 10:21:37.305  INFO 4816 --- [           main] c.c.c.ConfigServicePropertySourceLocator : Fetching config from server at : http://localhost:8888

原因是application.yml启动优先级小于bootstrap.yml

将application.yml重命名为bootstrap.yml即可