FROM python:3.10-slim

# Set working directory
WORKDIR /app

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

# Copy requirements first for layer caching
COPY requirements.txt .

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

# Copy application code
COPY app.py .

# Copy data files (add your CSV and keypoints here)
COPY arabic_sign_lang_features.csv .
# COPY keypoints/ keypoints/

# Expose port (HF Spaces requires 7860)
EXPOSE 7860

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV CSV_PATH=arabic_sign_lang_features.csv
ENV KEYPOINTS_FOLDER=keypoints
ENV SIMILARITY_THRESHOLD=0.72

# Run the app
CMD ["python", "-m", "uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]