221028 java

spring boot and
swagger add and
crud for userdao

<dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.30</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>

dasdfsdfa
dependency add
asfdsdfsad

https://velog.io/@suujeen/aws-EC2-%EC%9D%B8%EC%8A%A4%ED%84%B4%EC%8A%A4-%EC%83%9D%EC%84%B1%ED%95%98%EA%B8%B0