Ahm*_*lak 1 python django docker dockerfile alpine-linux
python:3.10.0rc2-buster当我使用或没有任何问题构建我的 docker 映像时,我的 Django 应用程序运行得很好python:3.10.0rc2-slim-buster。
为了减小图像大小,我切换到python:3.10-rc-alpine,但是,我面临着数十个缺失的依赖项。
我发现这篇文章非常有帮助Docker Alpine Linux python (missing)它使我能够解决一些缺失的依赖项。
感谢您的支持,指导我如何解决这个问题?
这些是我收到的缺少依赖项错误:
#6 9.141 ERROR: unable to select packages:
#6 9.173 libcairo2 (no such package):
#6 9.173 required by: world[libcairo2]
#6 9.173 libgdk-pixbuf2.0-0 (no such package):
#6 9.173 required by: world[libgdk-pixbuf2.0-0]
#6 9.173 libldap2-dev (no such package):
#6 9.173 required by: world[libldap2-dev]
#6 9.173 libpango-1.0-0 (no such package):
#6 9.173 required by: world[libpango-1.0-0]
#6 9.173 libpangocairo-1.0-0 (no such package):
#6 9.173 required by: world[libpangocairo-1.0-0]
#6 9.173 libsasl2-dev (no such package):
#6 9.173 required by: world[libsasl2-dev]
#6 9.173 libsnmp-dev (no such package):
#6 9.173 required by: world[libsnmp-dev]
#6 9.173 libssl-dev (no such package):
#6 9.173 required by: world[libssl-dev]
#6 9.173 pdftk (no such package):
#6 9.173 required by: world[pdftk]
#6 9.173 python-dev (no such package):
#6 9.173 required by: world[python-dev]
#6 9.173 python3-cffi (no such package):
#6 9.173 required by: world[python3-cffi]
#6 9.173 python3-setuptools (no such package):
#6 9.173 required by: world[python3-setuptools]
#6 9.173 python3-wheel (no such package):
#6 9.173 required by: world[python3-wheel]
#6 9.173 sqlite3 (no such package):
#6 9.173 required by: world[sqlite3]
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这是我的 docker 文件的一部分:
FROM python:3.10-rc-alpine
RUN apk --no-cache update && \
apk --no-cache add --update alpine-sdk && \
apk --no-cache add \
python3 \
lsof \
pdftk \
unixodbc-dev \
vim \
git \
python3-dev \
python3-setuptools \
python3-wheel \
python3-cffi libcairo2 libpango-1.0-0 libpangocairo-1.0-0 libgdk-pixbuf2.0-0 libffi-
dev shared-mime-info \
libsasl2-dev python-dev libldap2-dev libssl-dev libsnmp-dev \
nginx \
supervisor \
sqlite3 && \
pip3 install -U pip setuptools && \
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至少列出的依赖项之一无法使用官方软件包解决:
#6 9.173 pdftk (no such package):
#6 9.173 required by: world[pdftk]
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python:3.10-rc-alpine 基于 Alpine 3.14.2,但自 Alpine 3.9 起该pdftk软件包已被弃用。但是,您可以尝试pdftk按照以下答案进行安装: https:
//stackoverflow.com/a/67747061/7256341如果是应用程序依赖项而不是包依赖项,
则这可以工作。pdftk
Alpine 以不同的名称提供以下软件包:
python-dev->python3-devlibldap2-dev->openldap-devlibssl-dev->openssl-devlibsnmp-dev->net-snmp-devpython3-setuptools->py3-setuptoolspython3-wheel->py3-wheelsqlite3->sqlite这些是我能够使用 Alpine 的软件包搜索快速找到的: https:
//pkgs.alpinelinux.org/packages
它是一个很棒且易于使用的引擎:您可以使用通配符(例如*ldap*-dev)按包名称进行搜索,并使用内容搜索来查找包中的文件名。通过一些工作,希望您应该能够找到剩余依赖项的相应包。祝你好运!
PS:也许是显而易见的,但一定要测量生成的 Alpine 图像的大小。vanilla 镜像非常紧凑,但是一旦添加了如此多的软件包,与 Debian slim 相比,大小的减少可能可以忽略不计 - 甚至可能超过它!
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