initialize Roles not to get "Role not found errors"

Author: ramazansakin

src/main/resources/application.properties

@@ -1,12 +1,14 @@
 server.port=8080
 spring.application.name=spring-boot-jwt-auth
 
-spring.datasource.url=jdbc:mysql://localhost:3306/testdb?useSSL=false
+spring.datasource.url=jdbc:mysql://localhost:3306/testdb
 spring.datasource.username=root
 spring.datasource.password=123456
 
 spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5InnoDBDialect
 spring.jpa.hibernate.ddl-auto=update
+spring.sql.init.mode=always
+spring.sql.init.schema-locations=classpath:init_roles.sql
 
 # JWT Properties
 bezkoder.app.jwtSecret=bezKoderSecretKey

src/main/resources/init_roles.sql

@@ -0,0 +1,5 @@
+INSERT INTO roles (name)
+VALUES ('ROLE_USER'),
+       ('ROLE_MODERATOR'),
+       ('ROLE_ADMIN') ON DUPLICATE KEY
+UPDATE name = name;