Dockerfile

FROM python:3.9-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PYTHONPATH=/app

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        gcc \
        python3-dev \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

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

# Copy application code
COPY . .

# Create output and logs directories
RUN mkdir -p /app/output /app/logs

# Create a non-root user
RUN useradd -m appuser
RUN chown -R appuser:appuser /app
USER appuser

# Run the application
ENTRYPOINT ["python", "-m", "app.main"]