Update Dockerfile

Dockerfile

@@ -10,7 +10,7 @@ RUN apt-get update && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
-# Create application directory
+# Create application directories
 RUN mkdir -p /app /app/build /var/log/nginx /var/lib/nginx /var/cache/nginx /usr/share/nginx/html /usr/share/nginx/html-page
 
 # Copy backend server files and set permissions