1. Making Maria DB schema 2. A place to set up DB 2. Making Maria DB schema server.port=8080 # driver class name spring.datasource.driver-class-name=org.mariadb.jdbc.Driver spring.datasource.username=root spring.datasource.password=123456 # url jdbc:mariadb://localhost:3306/ spring.datasource.url = jdbc:mariadb://localhost:3306/board 3. Run 4. Check