ipv4 enforce in order to skip timeout for ipv6 search

src/main/resources/application.properties

@@ -1,5 +1,5 @@
 spring.application.name=video_downloader
-spring.datasource.url = jdbc:postgresql://localhost:5432/videos
+spring.datasource.url = jdbc:postgresql://127.0.0.1:5432/videos
 spring.datasource.username = postgres
 spring.datasource.password = 5995
 spring.jpa.hibernate.ddl-auto = create-drop