spring intializerで springboot徹底入門に書いてある設定値で作成 (ただしjava11を選択) pom.xml, application.propertiesは本の設定を参考
mysql 準備
sudo mysql --password
mysql> create database db_example; -- Creates the new database
mysql> create user 'springuser'@'%' identified by 'ThePassword'; -- Creates the user
mysql> grant all on db_example.* to 'springuser'@'%'; -- Gives all privileges to the new user on the newly created database
https://docs.google.com/document/d/1o53_4NgJoax7UDZJE3jC0z-wglhNdWwpE5EJS_XLrBM/edit?usp=sharing