Update Dockerfile

Dockerfile

@@ -1,12 +1,20 @@
 # Start from the official NyaProxy image
 FROM k3scat/nya-proxy:latest
 
-# Switch to the root user temporarily to fix permissions
+# Switch to the root user to create a new directory
 USER root
 
-# Change the ownership of the /app directory to the 'user' that
-# Hugging Face uses to run the container. The -R makes it recursive.
-RUN chown -R user:user /app
+# Create a new directory named /data.
+# The `chmod 777` command gives read and write permissions to *any* user.
+# This ensures that the user running the container on Hugging Face's platform
+# will have the necessary permissions.
+RUN mkdir /data && chmod 777 /data
 
-# Switch back to the standard 'user' for running the application
-USER user
+# The NyaProxy application can be configured using the NYA_PROXY_CONFIG_PATH
+# environment variable. We set it here to point to a file in our new writable directory.
+ENV NYA_PROXY_CONFIG_PATH=/data/config.yaml
+
+# The base image has a non-root user named 'nya'. We will switch to it
+# as a security best practice. The app will run as 'nya' and will
+# have permission to write to /data/config.yaml.
+USER nya