Update Dockerfile

Dockerfile

@@ -13,10 +13,10 @@ RUN pip3 install -r requirements.txt
 # Copy the rest of the application
 COPY --chown=user:user . .
 
-# Create the exports/charts directory and set permissions
-RUN mkdir -p exports/charts && \
-    chmod -R 777 exports/charts && \
-    chmod -R 777 .
+# Set permissions (but don't fail if directories already exist)
+RUN mkdir -p exports/charts || true && \
+    chmod -R 777 . && \
+    chown -R user:user .
 
 # Switch to the "user" user
 USER user
@@ -25,4 +25,4 @@ USER user
 ENV HOME=/home/user \
     PATH=/home/user/.local/bin:$PATH
 
-CMD ["python", "main.py"]
+CMD ["python", "main.py"]