Update Dockerfile

Dockerfile

@@ -1,13 +1,13 @@
 # Use official lightweight Python image
 FROM python:3.11-slim
 
-# Create a working directory
+# Create working directory
 WORKDIR /app
 
-# Copy project files
+# Copy project
 COPY . /app
 
-# Install system dependencies
+# Install OS packages
 RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \
     sqlite3 \
@@ -16,13 +16,11 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 # Install Python dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Hugging Face Spaces port
-EXPOSE 7860
-
-# Ensure /tmp exists for KB + SQLite sessions
-RUN mkdir -p /tmp/sessions
-
+# Hugging Face Spaces runtime port
 ENV PORT=7860
 
-# Run the FastAPI app
+# Expose port (not required on Spaces but okay)
+EXPOSE 7860
+
+# Start FastAPI
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]