Dockerfile

# Use the official Python 3.9 slim image as the base image
FROM python:3.12-slim as builder
ENV LANG=C.UTF-8
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PATH="/app/venv/bin:$PATH"

# Install system dependencies required for Poetry
RUN apt-get update && \
    dpkg --add-architecture arm64

# We're installing here libexpat1, to upgrade the package to include a fix to 3 high CVEs. CVE-2024-45491,CVE-2024-45490,CVE-2024-45492
RUN apt-get update \
    && apt-get install -y --no-install-recommends libexpat1 \
    && rm -rf /var/lib/apt/lists/*

# Set the working directory
WORKDIR /app

COPY ./requirements.txt requirements.txt

RUN pip install --no-cache-dir --upgrade pip
# Install the project dependencies
RUN python -m ensurepip --upgrade
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of the application code
COPY . .

# Run the application using 'poetry run krr simple'
CMD ["python", "krr.py", "simple"]