environment variable changed

docker-compose.yml

@@ -30,9 +30,9 @@ services:
       - db
     restart: unless-stopped
     environment:
-      - MOODLE_WWWROOT: "http://docker:8080"
-      - MOODLE_ADMIN_USER=user
-      - MOODLE_ADMIN_PASS=QAYwsx@12345
+      MOODLE_WWWROOT: "http://docker:8080"
+      MOODLE_ADMIN_USER=user
+      MOODLE_ADMIN_PASS=QAYwsx@12345
 
   backend:
     container_name: backend