Update dockerfile

dockerfile

@@ -1,12 +1,28 @@
 FROM python:3.10-slim
 
+# Install system dependencies for faiss-cpu and pypdf
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    libffi-dev \
+    libssl-dev \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
 WORKDIR /app
 
+# Copy and install requirements
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
+# Copy application code
 COPY app.py .
 
+# Expose port 8000
 EXPOSE 8000
 
-CMD ["gunicorn", "-w", "4", "-k", "uvicorn.workers.UvicornWorker", "app:app", "--bind", "0.0.0.0:8000", "--log-level", "info"]
+# Health check to ensure the app is running
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:8000/health || exit 1
+
+# Run gunicorn with FastAPI
+CMD ["gunicorn", "-w", "4", "-k", "uvicorn.workers.UvicornWorker", "app:app", "--bind", "0.0.0.0:8000", "--log-level", "info", "--timeout", "120"]