Update Dockerfile

Dockerfile

@@ -22,16 +22,22 @@ COPY . .
 # Expose the FastAPI port
 EXPOSE 7860
 
+# Environment variables to control Python and caching behavior.
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
-    XDG_CACHE_HOME=/app/.cache
-# Create non-root user
-RUN mkdir -p /app/.cache /app/.local && \
-    chown -R root:root /app && \
+    XDG_CACHE_HOME=/app/.cache \
+    HF_HOME=/app/.cache/huggingface \
+    PIP_ROOT_USER_ACTION=ignore
+
+# Create a non-root user and set up directories with wide permissions.
+RUN adduser --disabled-password --gecos '' appuser && \
+    mkdir -p /app/.cache/huggingface/hub && \
+    mkdir -p /app/.local && \
+    chown -R appuser:appuser /app && \
     chmod -R 777 /app
 
 RUN pip install spacy && python -m spacy download en_core_web_sm
-USER root
+USER appuser
 
 # Start the FastAPI app
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]