一个基于Chatroom#49的聊天系统。
1. 根据主机环境修改配置文件
mvn package
# peek inside
# jar tvf target/chatting-springboot-xxx.jar
# run
# java -jar target/chatting-springboot-xxx.jar
docker build -t sxrekord/chatting .
docker run -d -p 8088:8088 -p 3333:3333 sxrekord/chatting- refactor backend with SpringBoot
 -  design and use db
- use Mybatis
 - use Druid
 
 - use @Slf4j replace logger field
 - refactor frontend
 - use Logback replace slf4j
 - use Redis
 - automatically delete files when they expire
 - deploy with docker