你能给我一个Dockerfile的例子吗?我可以在其中安装所有我需要的软件包。锁定和pyproject。toml到我的镜像/容器从Docker?
当前回答
下面是一个剥离的例子,其中首先是一个带有依赖关系的层(仅在这些依赖关系发生变化时构建),然后将一个带有完整源代码的层添加到图像中。将poetry设置为安装到全局站点包中会留下一个配置工件,该配置工件也可以被删除。
FROM python:alpine
WORKDIR /app
COPY poetry.lock pyproject.toml ./
RUN pip install --no-cache-dir --upgrade pip \
&& pip install --no-cache-dir poetry \
\
&& poetry config settings.virtualenvs.create false \
&& poetry install --no-dev \
\
&& pip uninstall --yes poetry \
COPY . ./
其他回答
这里有一个不同的方法,使诗歌完整,所以你仍然可以使用诗歌添加等。如果你使用的是VS Code开发容器,这很好。
简而言之,安装Poetry,让Poetry创建虚拟环境,然后在每次启动新shell时通过修改.bashrc进入虚拟环境。
FROM ubuntu:20.04
RUN apt-get update && apt-get install -y python3 python3-pip curl
# Use Python 3 for `python`, `pip`
RUN update-alternatives --install /usr/bin/python python /usr/bin/python3 1 \
&& update-alternatives --install /usr/bin/pip pip /usr/bin/pip3 1
# Install Poetry
RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/install-poetry.py | python3 -
ENV PATH "$PATH:/root/.local/bin/"
# Install Poetry packages (maybe remove the poetry.lock line if you don't want/have a lock file)
COPY pyproject.toml ./
COPY poetry.lock ./
RUN poetry install --no-interaction
# Provide a known path for the virtual environment by creating a symlink
RUN ln -s $(poetry env info --path) /var/my-venv
# Clean up project files. You can add them with a Docker mount later.
RUN rm pyproject.toml poetry.lock
# Hide virtual env prompt
ENV VIRTUAL_ENV_DISABLE_PROMPT 1
# Start virtual env when bash starts
RUN echo 'source /var/my-venv/bin/activate' >> ~/.bashrc
提醒一下,没有必要避免使用virtualenv。它不会影响表演,没有它们,诗歌也不能正常工作。
编辑:@Davos指出,除非你已经有一个pyproject,否则这是行不通的。汤姆和诗歌。锁文件。如果您需要处理这种情况,您可以使用这个变通方法,无论这些文件是否存在,它都应该有效。
COPY pyproject.toml* ./
COPY poetry.lock* ./
RUN poetry init --no-interaction; (exit 0) # Does nothing if pyproject.toml exists
RUN poetry install --no-interaction
我看到这里所有的答案都是用pip的方式安装诗词,以避免版本问题。 如果定义为安装最合适的版本,则安装诗歌的官方方法是读取poeetry_version env变量。
在github上有一个问题,我认为这张票的解决方案非常有趣:
# `python-base` sets up all our shared environment variables
FROM python:3.8.1-slim as python-base
# python
ENV PYTHONUNBUFFERED=1 \
# prevents python creating .pyc files
PYTHONDONTWRITEBYTECODE=1 \
\
# pip
PIP_NO_CACHE_DIR=off \
PIP_DISABLE_PIP_VERSION_CHECK=on \
PIP_DEFAULT_TIMEOUT=100 \
\
# poetry
# https://python-poetry.org/docs/configuration/#using-environment-variables
POETRY_VERSION=1.0.3 \
# make poetry install to this location
POETRY_HOME="/opt/poetry" \
# make poetry create the virtual environment in the project's root
# it gets named `.venv`
POETRY_VIRTUALENVS_IN_PROJECT=true \
# do not ask any interactive question
POETRY_NO_INTERACTION=1 \
\
# paths
# this is where our requirements + virtual environment will live
PYSETUP_PATH="/opt/pysetup" \
VENV_PATH="/opt/pysetup/.venv"
# prepend poetry and venv to path
ENV PATH="$POETRY_HOME/bin:$VENV_PATH/bin:$PATH"
# `builder-base` stage is used to build deps + create our virtual environment
FROM python-base as builder-base
RUN apt-get update \
&& apt-get install --no-install-recommends -y \
# deps for installing poetry
curl \
# deps for building python deps
build-essential
# install poetry - respects $POETRY_VERSION & $POETRY_HOME
RUN curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py | python
# copy project requirement files here to ensure they will be cached.
WORKDIR $PYSETUP_PATH
COPY poetry.lock pyproject.toml ./
# install runtime deps - uses $POETRY_VIRTUALENVS_IN_PROJECT internally
RUN poetry install --no-dev
# `development` image is used during development / testing
FROM python-base as development
ENV FASTAPI_ENV=development
WORKDIR $PYSETUP_PATH
# copy in our built poetry + venv
COPY --from=builder-base $POETRY_HOME $POETRY_HOME
COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH
# quicker install as runtime deps are already installed
RUN poetry install
# will become mountpoint of our code
WORKDIR /app
EXPOSE 8000
CMD ["uvicorn", "--reload", "main:app"]
# `production` image used for runtime
FROM python-base as production
ENV FASTAPI_ENV=production
COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH
COPY ./app /app/
WORKDIR /app
CMD ["gunicorn", "-k", "uvicorn.workers.UvicornWorker", "main:app"]
我的Dockerfile基于@lmiguelvargasf的回答。请参考他的帖子获得更详细的解释。我唯一的重大改变是以下几点:
我现在使用的是最新的官方安装程序install- poem .py,而不是官方文档中推荐的已弃用的get- poem .py。我还使用——version标志安装了一个特定的版本,但你也可以使用环境变量poeetry_version。更多关于他们官方文件的信息! 我使用的PATH是/root/。local/bin:$PATH而不是${PATH}:/root/。诗词/bin从OP的Dockerfile
FROM python:3.10.4-slim-buster
ENV PYTHONDONTWRITEBYTECODE 1 \
PYTHONUNBUFFERED 1
RUN apt-get update \
&& apt-get install curl -y \
&& curl -sSL https://install.python-poetry.org | python - --version 1.1.13
ENV PATH="/root/.local/bin:$PATH"
WORKDIR /usr/app
COPY pyproject.toml poetry.lock ./
RUN poetry config virtualenvs.create false \
&& poetry install --no-dev --no-interaction --no-ansi
COPY ./src ./
EXPOSE 5000
CMD [ "poetry", "run", "gunicorn", "-b", "0.0.0.0:5000", "test_poetry.app:create_app()" ]
这是最适合我的最小配置:
FROM python:3.7
ENV PIP_DISABLE_PIP_VERSION_CHECK=on
RUN pip install poetry
WORKDIR /app
COPY poetry.lock pyproject.toml /app/
RUN poetry config virtualenvs.create false
RUN poetry install --no-interaction
COPY . /app
注意,它不像@sobolevn的配置那样安全。
作为一个小问题,我将补充一下pyproject是否可以进行可编辑安装。Toml项目,可以删除一两行:
FROM python:3.7
ENV PIP_DISABLE_PIP_VERSION_CHECK=on
WORKDIR /app
COPY poetry.lock pyproject.toml /app/
RUN pip install -e .
COPY . /app
我使用一个锁包(包依赖于锁文件中的所有版本)创建了一个解决方案。这将导致没有需求文件的纯pip安装。
步骤是:构建包,构建锁包,将两个轮子复制到容器中,使用pip安装两个轮子。
安装是:诗词add——dev诗词锁包
docker构建之外的步骤是:
poetry build
poetry run poetry-lock-package --build
然后你的Dockerfile应该包含:
FROM python:3-slim
COPY dist/*.whl /
RUN pip install --no-cache-dir /*.whl \
&& rm -rf /*.whl
CMD ["python", "-m", "entry_module"]
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