Fix: Create output dir with correct permissions before COPY

Dockerfile

@@ -54,6 +54,10 @@ RUN wget https://github.com/opendatalab/MinerU/raw/master/scripts/download_model
     wget https://github.com/opendatalab/MinerU/raw/master/magic-pdf.template.json -O $HOME/app/magic-pdf.json && \
     chown user:user $HOME/app/download_models.py $HOME/app/magic-pdf.json
 
+# Create output directory and set ownership BEFORE switching user for COPY
+RUN mkdir -p $HOME/app/output/images && \
+    chown -R user:user $HOME/app/output
+
 # Switch to user to run download script and copy app code
 USER user
 
@@ -64,10 +68,11 @@ RUN . /opt/mineru_venv/bin/activate && \
     sed -i 's|"device": "cpu"|"device": "cpu"|g' $HOME/magic-pdf.json
 
 # Copy the rest of the application code as the user
-COPY --chown=user . $HOME/app
+# This will copy into the WORKDIR ($HOME/app)
+COPY --chown=user . .
 
-# Create output directories and set permissions (ensure this happens after WORKDIR and USER)
-# Already running as user, just need to create dirs
-RUN mkdir -p $HOME/app/output/images
+# Ensure the output dir still has correct permissions after final copy
+# (This might be redundant but can help in some cases)
+RUN chmod -R 755 $HOME/app/output
 
 CMD ["/opt/mineru_venv/bin/uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]