### pom ``` <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-jdbc</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> ``` ### application.yml ``` spring: datasource: url: jdbc:mysql://localhost:3306/test username: root password: 123456 hikari: idle-timeout: 60000 maximum-pool-size: 30 minimum-idle: 10 ```