Install EFK: https://www.cnblogs.com/dukuan/p/9891198.html
    Install RabbitMQ Cluster: https://www.cnblogs.com/dukuan/p/9897443.html
    Install openLDAP: https://www.cnblogs.com/dukuan/p/9983899.html
    Install Redis Sentinel: https://www.cnblogs.com/dukuan/p/9913420.html
    Install Redis Cluster: https://github.com/dotbalo/k8s/tree/master/redis/k8s-redis-cluster
    Install GitLab: https://www.cnblogs.com/dukuan/p/10036489.html