我試圖在基于python:alpine的Docker容器中運(yùn)行Python的Scrapy。它以前是有效的，但現(xiàn)在我想使用Scrapy的Image Pipeline這需要我安裝枕頭。

作為一個(gè)簡(jiǎn)單的例子，我嘗試了以下Dockerfile：FROM python:alpine

RUN apk --update add libxml2-dev libxslt-dev libffi-dev gcc musl-dev libgcc openssl-dev curl

RUN apk add libjpeg zlib tiff freetype lcms libwebp tcl openjpeg

RUN pip install Pillow

但是，當(dāng)我嘗試構(gòu)建此文件時(shí)，會(huì)出現(xiàn)一個(gè)錯(cuò)誤，其中包含以下內(nèi)容：Traceback (most recent call last):

File "/tmp/pip-build-ft5yzzuv/Pillow/setup.py", line 744, in

zip_safe=not debug_build(), )

File "/usr/local/lib/python3.6/distutils/core.py", line 148, in setup

dist.run_commands()

File "/usr/local/lib/python3.6/distutils/dist.py", line 955, in run_commands

self.run_command(cmd)

File "/usr/local/lib/python3.6/distutils/dist.py", line 974, in run_command

cmd_obj.run()

File "/usr/local/lib/python3.6/site-packages/setuptools/command/install.py", line 61, in run

return orig.install.run(self)

File "/usr/local/lib/python3.6/distutils/command/install.py", line 545, in run

self.run_command('build')

File "/usr/local/lib/python3.6/distutils/cmd.py", line 313, in run_command

self.distribution.run_command(command)

File "/usr/local/lib/python3.6/distutils/dist.py", line 974, in run_command

cmd_obj.run()

File "/usr/local/lib/python3.6/distutils/command/build.py", line 135, in run

self.run_command(cmd_name)

File "/usr/local/lib/python3.6/distutils/cmd.py", line 313, in run_command

self.distribution.run_command(command)

File "/usr/local/lib/python3.6/distutils/dist.py", line 974, in run_command

cmd_obj.run()

File "/usr/local/lib/python3.6/distutils/command/build_ext.py", line 339, in run

self.build_extensions()

File "/tmp/pip-build-ft5yzzuv/Pillow/setup.py", line 545, in build_extensions

raise RequiredDependencyException(f)

__main__.RequiredDependencyException: jpeg

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "", line 1, in

File "/tmp/pip-build-ft5yzzuv/Pillow/setup.py", line 756, in

raise RequiredDependencyException(msg)

__main__.RequiredDependencyException:

The headers or library files could not be found for jpeg,

a required dependency when compiling Pillow from source.

Please see the install instructions at:

https://pillow.readthedocs.io/en/latest/installation.html

我查看了https://pillow.readthedocs.io/en/latest/installation.html上的要求，并試圖找到Alpine的相應(yīng)包，盡管我找不到的包是libimagequant，所以這可能是“罪魁禍?zhǔn)住薄１M管如此，它的回溯和錯(cuò)誤消息似乎是說(shuō)jpeg丟失了，而我已經(jīng)安裝了openjpeg。

如何修改Dockerfile以便pip install Pillow運(yùn)行？

總結(jié)

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