remove unnecessary code

docker/nginx/default.conf

@@ -2,7 +2,7 @@ server {
     listen 80;
     server_name 127.0.0.1;
 
-    root /var/www/app/public;
+    root /var/www/app/apps/backend/public;
     index index.php index.html;
 
     location / {

docker/reverb/Dockerfile

@@ -19,6 +19,6 @@ RUN apt-get update && apt-get install -y \
 
 COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
 
-WORKDIR /var/www/app
+WORKDIR /var/www/app/apps/backend
 
-EXPOSE 8080
+EXPOSE 8080