fix: Run only backend server (staticfiles serves frontend)

Dockerfile

@@ -6,8 +6,6 @@ RUN apt-get update && apt-get install -y \
     build-essential \
     tesseract-ocr \
     poppler-utils \
-    nodejs \
-    npm \
     && rm -rf /var/lib/apt/lists/*
 
 COPY backend/requirements.txt .
@@ -22,4 +20,4 @@ RUN mkdir -p /app/storage/uploads /app/storage/vector_db
 
 EXPOSE 7860
 
-CMD ["bash", "-c", "cd backend && uvicorn app.main:app --host 0.0.0.0 --port 7860 & cd frontend && npx serve -s dist -l 7861"]
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]