Docker update

Dockerfile

@@ -5,7 +5,8 @@ RUN useradd -m -u 1000 user
 
 # Set environment variables
 ENV HOME=/home/user \
-    PATH=/home/user/.local/bin:$PATH
+    PATH=/home/user/.local/bin:$PATH \
+    CHAINLIT_USER_FILES_DIR=/tmp/chainlit_user_files
 
 # Set the working directory
 WORKDIR $HOME/app
@@ -13,9 +14,10 @@ WORKDIR $HOME/app
 # Copy the application code and set ownership
 COPY --chown=user . $HOME/app
 
-# Ensure the upload and temp directories exist and have the correct permissions
-RUN mkdir -p $HOME/app/uploads $HOME/app/temp && \
-    chown -R user:user $HOME/app/uploads $HOME/app/temp
+# Ensure the necessary directory exists and has the correct permissions
+RUN mkdir -p ${CHAINLIT_USER_FILES_DIR} && \
+    chown -R user:user ${CHAINLIT_USER_FILES_DIR} && \
+    chmod 777 ${CHAINLIT_USER_FILES_DIR}
 
 # Switch to the user
 USER user