Dockerfile

FROM python:3.9-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Set environment variables for HuggingFace caching (runtime download)
ENV HF_HOME=/tmp/huggingface
ENV TRANSFORMERS_CACHE=/tmp/transformers_cache
ENV HF_DATASETS_CACHE=/tmp/huggingface_datasets
ENV TORCH_HOME=/tmp/torch

# Note: Models will be downloaded at runtime for better compatibility with Hugging Face Spaces
# This avoids build-time resource constraints and allows for proper authentication

EXPOSE 7860

CMD ["python", "app.py"]