# Reference: https://docs.astral.sh/uv/guides/integration/docker/
# Production version with UV tools (multi-stage build)
# Define Python version as build argument
ARG PYTHON_VERSION=3.12
ARG UBUNTU_VERSION=22.04
# First, build the application in the `/app` directory with UV
FROM ghcr.io/astral-sh/uv:python${PYTHON_VERSION}-bookworm-slim as builder
# Set environment variables for UV
ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy \
UV_PYTHON_DOWNLOADS=0
WORKDIR /app
RUN --mount=type=cache,target=/root/.cache/uv \
--mount=type=bind,source=uv.lock,target=uv.lock \
--mount=type=bind,source=pyproject.toml,target=pyproject.toml \
uv sync --frozen --no-install-project --no-dev
ADD . /app
RUN --mount=type=cache,target=/root/.cache/uv \
uv sync --frozen --no-dev
# Then, use a final image with minimal dependencies
FROM ubuntu:${UBUNTU_VERSION}
# Accept build argument for username with a default value
ARG USERNAME=appuser
# タイムゾーン設定を事前に指定して対話プロンプトを回避
ENV DEBIAN_FRONTEND=noninteractive \
TZ=Asia/Tokyo \
LANG=C.UTF-8 \
LC_ALL=C.UTF-8
# 必要なベースパッケージのみインストール
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone \
&& apt-get update && apt-get install -y --no-install-recommends \
software-properties-common \
locales \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/*
# ロケールの設定
RUN echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen && \
locale-gen
# APTでPython 3.12をインストール
RUN add-apt-repository ppa:deadsnakes/ppa \
&& apt-get update \
&& apt-get install -y --no-install-recommends \
python3.12 \
python3.12-venv \
python3.12-dev \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/*
# Make Python 3.12 the default
RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.12 1 \
&& update-alternatives --install /usr/bin/python python /usr/bin/python3.12 1
# Copy UV binaries from builder
COPY --from=builder /bin/uv /bin/uv
COPY --from=builder /bin/uvx /bin/uvx
# Create a user with the provided username
RUN groupadd -r $USERNAME && useradd -r -g $USERNAME $USERNAME
# Copy the application from the builder
COPY --from=builder --chown=$USERNAME:$USERNAME /app /app
# Place executables in the environment at the front of the path
ENV PATH="/app/.venv/bin:$PATH"
# Set working directory
WORKDIR /app
# Switch to the specified user
USER $USERNAME
# デフォルトのCMDを指定せず、docker run時にコマンドを渡せるようにする
# 実行例:
# docker run ml-research-mcp-prod python -m ml_research_mcp.main
# または
# docker run ml-research-mcp-prod python -c "import ml_research_mcp; print(ml_research_mcp.__version__)"
