# Dockerfile

FROM python:3.11-slim

# System dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Copy requirements first (layer caching)
COPY requirements.txt .

# Install Python dependencies (no GPU on HF Spaces)
RUN pip install --no-cache-dir -r requirements.txt

# Pre-download embedding model during build
RUN python3 -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('intfloat/multilingual-e5-large')"

# Copy project files
COPY . .

# HuggingFace Spaces runs on port 7860
EXPOSE 7860

# Run Flask app
CMD ["python3", "app.py"]