# Use an official lightweight Python base image
FROM python:3.10

# Set working directory inside container
WORKDIR /app

# Copy requirements first (for caching layers)
COPY requirements.txt .

# Install system dependencies (for lxml, spacy, etc.)
RUN apt-get update && apt-get install -y \
    build-essential \
    python3-dev \
    libxml2-dev \
    libxslt-dev \
    && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of the app
COPY . .

# --- Hugging Face cache fix ---
# Make a dedicated cache directory with proper permissions
RUN mkdir -p /app/hf_cache && chmod -R 777 /app/hf_cache
ENV HF_HOME=/app/hf_cache
ENV TRANSFORMERS_CACHE=/app/hf_cache
ENV HF_DATASETS_CACHE=/app/hf_cache

# Expose port (HF Spaces expects 7860 usually)
EXPOSE 7860

# Run your FastAPI app via python module
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]