阿里巴巴Java开发手册

官方地址

https://yq.aliyun.com/articles/69327?spm=a2c4e.11153987.0.0.3aa33f4fL5lHFB

kotlin 语言参考手册

https://www.gitbook.com/book/hltj/kotlin-reference-chinese/details

spring-cloud & docker

https://www.gitbook.com/book/eacdy/spring-cloud-book/details

es6

http://es6.ruanyifeng.com/