CREATE USER "arun"@"%" IDENTIFIED BY "12345";

GRANT ALL PRIVILEGES ON . TO 'arun'@'%' WITH GRANT OPTION;

FLUSH PRIVILEGES;

mysql -u arun -p

create database notes_app; -- create database.

vi /etc/mysql/mysql.conf.d/mysqld.cnf _-------> open this file in mysql database server and add bind address as a

bind-address = 0.0.0.0 mysqlx-bind-address = 127.0.0.1

and in vi src/main/resources/application.properties FILE

jdbc:mysql://13.214.203.153:3306/notes_app?useSSL=false&serverTimezone=UTC&useLegacyDatetimeCode=false&allowPublicKeyRetrieval=true&useSSL=false

add like this

{ "id": 4, "title": "book-4", "content": "new book-4" }