source code
https://github.com/spring-projects/spring-boot
Chinese Reference Guide
https://www.gitbook.com/book/qbgbook/spring-boot-reference-guide-zh/details
https://github.com/qibaoguang/Spring-Boot-Reference-Guide/blob/master/SUMMARY.md
Spring Boot series of blog posts: http://blog.didispace.com/categories/Spring-Boot/
Spring Cloud series of blog posts: http://blog.didispace.com/tag/spring-cloud/
Spring Cloud Chinese Community: http://bbs.springcloud.com.cn/
Getting started with spring boot