oops (again)

back/src/main/resources/application.properties

@@ -10,7 +10,7 @@ sec.cors.authorizedMethods=GET,POST,PUT,DELETE,OPTION
 sec.cors.authorizedHeader=Authorization,Content-type
 
 #=============DATABASE=============
-spring.datasource.url=mysql:${DB_URL}
+spring.datasource.url=jdbc:${DB_URL}
 spring.datasource.username=${DB_USER}
 spring.datasource.password=${DB_PASSWORD}