FROM ghcr.io/astral-sh/uv:bookworm-slim ARG PY_VERSION=3.13 # minimal OS deps: external network tools + ca-certs + a shell-friendly setup RUN apt-get update -qq \ && apt-get install -y --no-install-recommends \ curl wget ca-certificates sudo git openssh-client \ bash less procps file \ && rm -rf /var/lib/apt/lists/* # install pinned-but-current Python via uv (rebuild image to bump) RUN uv python install --default ${PY_VERSION} # create a managed venv and put it on PATH so `python`/`pip` are the sandbox's ENV VIRTUAL_ENV=/opt/venv \ PATH=/opt/venv/bin:/root/.local/bin:${PATH} RUN uv venv --python ${PY_VERSION} /opt/venv # sci/plotting stack — installed once into /opt/venv RUN uv pip install --no-cache \ numpy \ pandas \ matplotlib \ plotly \ seaborn \ scipy \ scikit-learn \ requests \ httpx \ ipython \ && python -c "import numpy, pandas, matplotlib, scipy, sklearn, plotly, seaborn; print('sci stack OK')" # non-root sandbox user RUN useradd -m -s /bin/bash -u 1000 coder \ && echo "coder ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/coder USER coder WORKDIR /home/coder