# Base Python image
FROM python:3.9-slim

# Avoid writing .pyc files
ENV PYTHONDONTWRITEBYTECODE=1

# Ensure logs appear immediately
ENV PYTHONUNBUFFERED=1

# Set working directory
WORKDIR /app

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

# Copy dependency file
COPY requirements.txt .

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

# Copy application script
COPY app.py .

# Expose Hugging Face default port
EXPOSE 7860

# Run the application
CMD ["python", "app.py"]