Update Dockerfile

Dockerfile

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+# Advanced Knowledge Base System - Hugging Face Space Dockerfile
+FROM python:3.10-slim
+
+# Set environment variables
+ENV PYTHONUNBUFFERED=1
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV GRADIO_SERVER_NAME="0.0.0.0"
+ENV GRADIO_SERVER_PORT=7860
+
+# Install system dependencies for document processing
+RUN apt-get update && apt-get install -y \
+    git \
+    curl \
+    build-essential \
+    libssl-dev \
+    libffi-dev \
+    libxml2-dev \
+    libxslt1-dev \
+    zlib1g-dev \
+    libjpeg-dev \
+    libpng-dev \
+    poppler-utils \
+    tesseract-ocr \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create user for security (required by HF Spaces)
+RUN useradd -m -u 1000 user
+
+# Set working directory
+WORKDIR /home/user/app
+
+# Clone the repository (replace with your GitHub repo URL)
+RUN git clone https://github.com/abubasith456/Knowledgebase.git . \
+    && chown -R user:user /home/user/app
+
+# Install Python dependencies from your existing requirements.txt
+RUN pip install --no-cache-dir --upgrade pip \
+    && pip install --no-cache-dir --upgrade -r requirements.txt
+
+# Create necessary directories
+RUN mkdir -p /home/user/app/chroma_db && chown -R user:user /home/user/app/chroma_db
+
+# Switch to non-root user
+USER user
+
+# Set the home directory
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+
+# Create user directories
+RUN mkdir -p $HOME/.cache/huggingface \
+    && mkdir -p $HOME/.cache/torch
+
+# Expose the port
+EXPOSE 7860
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:7860/api/health || exit 1
+
+# Run the application (adjust filename if different)
+CMD ["python", "complete_advanced_kb_system.py"]