removed localhost:8080 and let docker decide on which port it will listen on

to check for the port, `docker-compose port web_server 80`

Author: easterncoder

docker-compose.yml

@@ -17,7 +17,7 @@ services:
       - frontend
       - backend
     ports:
-      - "8080:80"
+      - 80
     volumes:
       - ./app/web/:/var/www/html/
   database_server: