docker compose changed from localhost to docker

docker-compose.yml

@@ -30,7 +30,7 @@ services:
       - db
     restart: unless-stopped
     environment:
-      - MOODLE_WWWROOT=http://localhost:8080
+      - MOODLE_WWWROOT: "http://docker:8080"
       - MOODLE_ADMIN_USER=user
       - MOODLE_ADMIN_PASS=QAYwsx@12345