Dockerfile

FROM python:3.13-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    DJANGO_SETTINGS_MODULE=pyrunner.settings

WORKDIR /app

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

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

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

# Copy application code
COPY . .

# Create data directories
RUN mkdir -p /app/data/environments /app/data/workdir

# Collect static files (build-time only keys, not used at runtime)
ENV SECRET_KEY="build-only-key-not-for-runtime"
ENV ENCRYPTION_KEY="QUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUE="
RUN python manage.py collectstatic --noinput

# Copy and set up entrypoint (convert Windows CRLF to Unix LF)
COPY entrypoint.sh /entrypoint.sh
RUN sed -i 's/\r$//' /entrypoint.sh && chmod +x /entrypoint.sh

# Expose port
EXPOSE 8000

# Set entrypoint
ENTRYPOINT ["/entrypoint.sh"]