fix dockerfile

Dockerfile

@@ -25,12 +25,6 @@ RUN echo 'Header set X-Content-Type-Options "nosniff"' >> /usr/local/apache2/con
     echo 'Header set X-Frame-Options "SAMEORIGIN"' >> /usr/local/apache2/conf/httpd.conf && \
     echo 'Header set X-XSS-Protection "1; mode=block"' >> /usr/local/apache2/conf/httpd.conf
 
-# Use non-root user for better security
-RUN adduser -D -H -u 1000 appuser && \
-    chown -R appuser:appuser /usr/local/apache2/htdocs/
-
-USER appuser
-
 EXPOSE 80
 
 # Health check