Dockerfile

FROM python:3.13-slim-bookworm AS base

# Keeps Python from generating .pyc files in the container
ENV PYTHONDONTWRITEBYTECODE=1

# Turns off buffering for easier container logging
ENV PYTHONUNBUFFERED=1

# Cache config env vars
ENV CACHE_CAPACITY_MB=16
ENV CACHE_LINE_SIZE_B=64
ENV CACHE_ASSOCIATIVITY=16
ENV CACHE_PROTOCOL=MESI
ENV ADDRESS_SIZE=32

# Security updates, run as root:
RUN apt-get update && apt-get -y upgrade

COPY requirements.txt /tmp/

RUN pip install --no-cache-dir -r /tmp/requirements.txt

# Switch to non-root user:
RUN useradd --create-home llcsim
WORKDIR /home/llcsim
USER llcsim

COPY ./src ./app

#
# Create test image
#
FROM base AS test

COPY ./tests ./tests

# Set the PYTHONPATH environment variable for unittest
ENV PYTHONPATH=/home/llcsim/app

# Run the tests
CMD ["python", "-m", "unittest"]

#
# Create production image
#
FROM base AS production

CMD [ "python", "main.py" ]