I just announced the new Spring Boot 2 material, coming in REST With Spring:
This is a guide to Spring Data MongoDB – starting with a quick intro on how to hit the ground running in a Spring project, to more complex and useful usecases and features of the library.
A solid intro to using MongoDB in with Spring Data.
How to Query MongoDB with Spring Data: Query and Criteria, auto-generated repository methods, raw queries with the @Query annotation as well as QueryDSL.
How to work with Indexes, Converters and Common Annotations in Spring Data MongoDB.
How to implement a solid, generic cascading mechanism with lifecycle events in Spring Data MongoDB.
A quick guide to interacting with GridFS using Spring Data MongoDB.