https://w...content-available-to-author-only...e.com/watch?v=Ke7Tr4RgRTs
https://w...content-available-to-author-only...t.com/caching-a-mongodb-database-with-redis/
http://b...content-available-to-author-only...c.com/2016/11/22/spring-boot-and-mongodb.html
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