fix: after reading HF docs

Dockerfile

@@ -1,7 +1,7 @@
 FROM node:18-alpine
 
-# Create user with UID 1001 (since 1000 is taken by node user)
-RUN adduser -D -u 1001 user
+# Create user with UID 1000 as recommended by Hugging Face Spaces
+RUN adduser -D -u 1000 user || echo "User 1000 likely already exists, continuing..."
 
 # Set up environment variables
 ENV HOME=/home/user \
@@ -11,7 +11,7 @@ ENV HOME=/home/user \
 WORKDIR $HOME/app
 RUN mkdir -p $HOME/app && \
     chown -R user:user $HOME/app && \
-    chmod -R 755 $HOME/app
+    chmod -R 755 $HOME/app # Set initial permissions
 
 # Switch to the user
 USER user
@@ -25,9 +25,6 @@ RUN npm install
 # Copy the entire viewer directory
 COPY --chown=user viewer/ .
 
-# Ensure write permissions for build process
-RUN chmod -R 755 .
-
 # Build the application
 RUN npm run build