# Use a slim Python image for efficiency
FROM python:3.10-slim

# Install system dependencies needed for tgcrypto and network tools
RUN apt-get update && apt-get install -y \
    gcc \
    python3-dev \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Create a non-root user as required by Hugging Face Spaces
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

# Copy requirements first to leverage Docker cache
COPY --chown=user requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy the application code
COPY --chown=user . /app

# Hugging Face Spaces listen on port 7860 by default
EXPOSE 7860

# Start the FastAPI app using uvicorn
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]