FROM python:3.9-slim

# Disable Python output buffering
ENV PYTHONUNBUFFERED=1

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

# Set working directory
WORKDIR /app

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

# Copy the application
COPY client.py .
COPY templates.py .

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