- Заменил шаблонизатор Mustache на Freemarker.

https://www.youtube.com/watch?v=8MlXahJXLFg&list=PLU2ftbIeotGpAYRP9Iv2KLIwK36-o_qYk&index=7

src/main/resources/application.properties

@@ -3,5 +3,5 @@ spring.datasource.url=jdbc:mysql://${MYSQL_HOST:localhost}:3306/sweater_db
 spring.datasource.username=user
 spring.datasource.password=123456
 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
-spring.mustache.servlet.expose-request-attributes=true
-
+spring.freemarker.expose-request-attributes=true
+spring.freemarker.suffix=.ftl