我正在尝试将我的 Python Docker 构建重写为多阶段构建。我一直在模仿this guide为了做到这一点。
这是我的 Dockerfile:
FROM python:3.8-slim AS compile
RUN apt-get upgrade && apt-get update
RUN apt-get install -y --no-install-recommends build-essential gcc
RUN python -m venv /opt/venv
ENV PATH='/opt/venv/bin:$PATH'
COPY requirements.txt .
RUN pip install --upgrade pip \
&& pip install -r requirements.txt \
&& pip install gunicorn
ADD src/ .
ADD setup.py .
RUN pip install .
FROM python:3.8-slim AS build
ENV GROUP_ID=1000 \
USER_ID=1000
ENV PYTHONUNBUFFERED=1 \
PYTHONIOENCODING=UTF-8
COPY --from=compile /opt/venv /opt/venv
ENV PATH ='opt/venv/bin:$PATH'
RUN addgroup -g $GROUP_ID WWW
RUN adduser -D -u $USER_ID -G WWW WWW -s /bin/sh && chown WWW:WWW -R /var/www
USER WWW
EXPOSE 5000
ENTRYPOINT ["gunicorn"]
CMD ["-w", "4", "--bind", "0.0.0.0:5000", "src:wsgi"]
这是
setup.py
.它目前只保存来自 this tutorial 的随机数据,看起来像这样。我怀疑错误在 packages=setuptools.find_packages()
,虽然我不知道如何解决它。import setuptools
setuptools.setup(
name="example-pkg-YOUR-USERNAME-HERE", # Replace with your own username
version="0.0.1",
author="Example Author",
author_email="author@example.com",
description="A small example package",
long_description="long_description",
long_description_content_type="text/markdown",
url="https://github.com/pypa/sampleproject",
packages=setuptools.find_packages(),
classifiers=[
"Programming Language :: Python :: 3",
"License :: OSI Approved :: MIT License",
"Operating System :: OS Independent",
],
python_requires='>=3.6',
)
在第 11/24 步,运行时
pip install .
编译停止,只有 Processing /
作为信息。这可能是由于我的安装脚本造成的,但是我还没有找到修复它的方法。Step 9/24 : ADD src/ .
---> d51425cd9672
Step 10/24 : ADD setup.py .
---> 2d0378201b2a
Step 11/24 : RUN pip install .
---> Running in a747453f98a5
Processing /
这是我的项目的文件结构
❯ tree
.
|-- Dockerfile
|-- bin
| |-- activate
| |-- activate.csh
| |-- activate.fish
| |-- easy_install
| |-- easy_install-3.7
| |-- pip
| |-- pip3
| |-- pip3.7
| |-- python -> python3
| `-- python3 -> /usr/local/bin/python3
|-- foo.log
|-- include
|-- lib
| `-- python3.7
| `-- site-packages
...
lots of files...
...
|-- pyvenv.cfg
|-- requirements.txt
|-- setup.py
`-- src
|-- app.py
`-- wsgi.py
我已经将构建作为单阶段构建工作,然后没有 src 文件夹,app.py 和 wsgi.py 直接位于项目文件夹中。
任何帮助表示赞赏!
- - - - - 更新 - - - - -
我试过运行
pip install .
本地在另一个位置,只有 src/文件夹和 setup.py,结果如下:这是输出:
Processing /Users/xxx/xxx/test
Building wheels for collected packages: example-pkg-YOUR-USERNAME-HERE
Building wheel for example-pkg-YOUR-USERNAME-HERE (setup.py) ... done
Created wheel for example-pkg-YOUR-USERNAME-HERE: filename=example_pkg_YOUR_USERNAME_HERE-0.0.1-cp37-none-any.whl size=1391 sha256=0d2d6eca20042c47f1cbe6a022949e2770f167ae6324a8c2f8ff473baaac7fa7
Stored in directory: /private/var/folders/7v/5w20zhw90g31z2cl95qngb_80000gn/T/pip-ephem-wheel-cache-e_jn3t7n/wheels/50/63/3f/b109a0dbe8dbf853eb63d219a39f3e501c43d52305bc1c5b38
Successfully built example-pkg-YOUR-USERNAME-HERE
Installing collected packages: example-pkg-YOUR-USERNAME-HERE
Successfully installed example-pkg-YOUR-USERNAME-HERE-0.0.1
最佳答案
您需要更改工作目录,因为您要将所有代码复制到根目录。当你然后运行 pip install .
来自 /
, pip copies the entire filesystem到一个临时目录,以便从那里安装。我想知道如果你等待它完成会发生什么?
另外,我认为前面的一行可能是错误的。我平时做的apt update && apt -y upgrade
而不是相反。
尝试这个:
FROM python:3.8-slim AS compile
RUN apt-get update && apt-get -y upgrade
RUN apt-get install -y --no-install-recommends build-essential gcc
RUN python -m venv /opt/venv
ENV PATH='/opt/venv/bin:$PATH'
WORKDIR /usr/src/app
COPY requirements.txt .
RUN pip install --upgrade pip \
&& pip install -r requirements.txt \
&& pip install gunicorn
# To match the directory structure at host:
ADD src/ ./src
ADD setup.py .
RUN pip install .
有关如何为 Python 图像编写 dockerfiles 的更多信息,请参阅 here .
关于使用 setup.py 构建 Python 多阶段 Docker,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/61008508/