Update Dockerfile

Dockerfile

@@ -10,14 +10,13 @@ RUN chown -R user:user /app || true
 USER root
 RUN mkdir /data && chown user:user /data
 
+RUN sed -i 's/listen \(\[::\]:\)\?80 default_server;/listen \17860 default_server;/g' /etc/nginx/nginx.conf
+
+RUN cat /etc/nginx/nginx.conf
+
 #######################################
 # End root user section
 #######################################
 
 USER user
 
-# Modify nginx.conf as user
-RUN sed -i 's/listen \(\[::\]:\)\?80 default_server;/listen \17860 default_server;/g' /app/nginx.conf
-
-# Print the contents of nginx.conf for checking
-RUN cat /app/nginx.conf