2375 error, I have not loaded docker, delete it from the pom
mysql, can not write outside the machine, you have to write 127.0.0.1.
How to generate jar package, written on the jar in the pom
<groupId>com.coding</groupId>
<artifactId>coordinate</artifactId>
<version>1.0</version>
<name>coordinate</name>
<description>Demo project for Spring Boot</description>
<packaging>jar</packaging>
tool windows中，maven，打开后，点击LifeCycle中的package。