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Preinstall Python 3.11-3.15 into base Docker image #4393

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Merged
un-def merged 1 commit into from
Oct 21, 2026
Merged

Preinstall Python 3.11-3.15 into base Docker image #4393

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9 changes: 7 additions & 2 deletions docker/base/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,11 @@ FROM nvidia/cuda:13.0.3-base-ubuntu${UBUNTU_VERSION}.04 AS common
# ARGs before FROM must be redeclared to be used after FROM
ARG UBUNTU_VERSION

ARG _UV_VERSION="0.13.3"
# Python versions preinstalled into ${_UV_HOME}/python
# To use preinstalled builds, the caller should set UV_PYTHON_INSTALL_DIR
# (--install-dir is only supported by `uv python install`)
ARG _UV_PYTHON_VERSIONS="3.11 3.12 3.13 3.14 3.15"
ARG _UV_HOME="/opt/uv"

ENV UV_INSTALL_DIR="${_UV_HOME}/bin"
Expand Down Expand Up @@ -53,8 +58,8 @@ RUN export DEBIAN_FRONTEND=noninteractive \
# Cleanup
&& rm -rf /var/lib/apt/lists/*

RUN curl -LsSf https://astral.sh/uv/install.sh | INSTALLER_NO_MODIFY_PATH=1 sh \
&& uv python install --preview --default
RUN curl -LsSf https://astral.sh/uv/${_UV_VERSION}/install.sh | UV_NO_MODIFY_PATH=1 sh \
&& uv python install --no-cache --install-dir ${_UV_HOME}/python --no-bin ${_UV_PYTHON_VERSIONS}

# ============================================================================
# builder: builds NCCL and nccl-tests from source for the base/devel flavors.
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