Question

直到大约一周前，我在这样的java图像上成功使用了python 3.6脚本：

FROM openjdk:7-jre-alpine

RUN apk update \
    && apk upgrade \
    && apk add --no-cache bash \
    && apk add --no-cache --virtual=build-dependencies unzip \
    && apk add --no-cache curl \
    && apk add --no-cache go

RUN apk add --no-cache python3 && \
    python3 -m ensurepip && \
    rm -r /usr/lib/python*/ensurepip && \
    pip3 install --upgrade pip setuptools && \
    if [ ! -e /usr/bin/pip ]; then ln -s pip3 /usr/bin/pip ; fi && \
    if [[ ! -e /usr/bin/python ]]; then ln -sf /usr/bin/python3 
/usr/bin/python; fi && \
    rm -r /root/.cache && \
    pip install kubernetes

现在这个dockerfile在

行失败了

&& apk add --no-cache bash \

我发现的唯一解决方案是评论构建依赖性并将其带入：

    && echo -e "http://nl.alpinelinux.org/alpine/v3.5/main\nhttp://nl.alpinelinux.org/alpine/v3.5/community" > /etc/apk/repositories \
&& apk add --no-cache bash \
#&& apk add --no-cache --virtual=build-dependencies unzip \

此修补程序安装python版本3.52而不是3.6

如何在openjdk:7-jre-alpine docker上安装python 3.6 [或我想要的任何版本]？

更新：现在所有的高山选项都失败了

Answer 1

花了几个小时尝试了很多不同的选项，包括在多个版本中重新安装docker。我设法让下面的Dockefile工作。请注意，我不得不重复几次构建。我的理论是我的WIFI或网络或VPN导致超时。在我的mac的本地docker repo上成功构建之后，我尝试使用virtualbox vm在minikube上进行相同的操作，并且在重复相同的构建几次并注意到脚本中发生的错误后，它仍然有效。

这是Dockerfile的价值：

FROM alpine:3.7

RUN apk update \
&& apk upgrade \
&& apk add --no-cache bash \
&& apk add --no-cache --virtual=build-dependencies unzip \
&& apk add --no-cache curl \
&& apk add --no-cache openjdk7-jre

RUN apk add --no-cache python3 \
&& python3 -m ensurepip \
&& pip3 install --upgrade pip setuptools \
&& rm -r /usr/lib/python*/ensurepip && \
if [ ! -e /usr/bin/pip ]; then ln -s pip3 /usr/bin/pip ; fi && \
if [[ ! -e /usr/bin/python ]]; then ln -sf /usr/bin/python3 /usr/bin/python; fi && \
rm -r /root/.cache


RUN pip install kubernetes

Answer 2

这个Dockerfile似乎在openjdk映像之上安装了python 3.6.5。

FROM openjdk:7-jre-alpine
# ensure local python is preferred over distribution python
ENV PATH /usr/local/bin:$PATH

# http://bugs.python.org/issue19846
# > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
ENV LANG C.UTF-8

# install ca-certificates so that HTTPS works consistently
# the other runtime dependencies for Python are installed later
RUN apk add --no-cache ca-certificates

ENV GPG_KEY 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D
ENV PYTHON_VERSION 3.6.5

RUN set -ex \
    && apk add --no-cache --virtual .fetch-deps \
        gnupg \
        libressl \
        tar \
        xz \
    \
    && wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
    && wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
    && export GNUPGHOME="$(mktemp -d)" \
    && rm -rf "$GNUPGHOME" python.tar.xz.asc \
    && mkdir -p /usr/src/python \
    && tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \
    && rm python.tar.xz \
    \
    && apk add --no-cache --virtual .build-deps  \
        bzip2-dev \
        coreutils \
        dpkg-dev dpkg \
        expat-dev \
        gcc \
        gdbm-dev \
        libc-dev \
        libffi-dev \
        libnsl-dev \
        libtirpc-dev \
        linux-headers \
        make \
        ncurses-dev \
        libressl \
        libressl-dev \
        pax-utils \
        readline-dev \
        sqlite-dev \
        tcl-dev \
        tk \
        tk-dev \
        xz-dev \
        zlib-dev \
# add build deps before removing fetch deps in case there's overlap
    && apk del .fetch-deps \
    \
    && cd /usr/src/python \
    && gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
    && ./configure \
        --build="$gnuArch" \
        --enable-loadable-sqlite-extensions \
        --enable-shared \
        --with-system-expat \
        --with-system-ffi \
        --without-ensurepip \
    && make -j "$(nproc)" \
# set thread stack size to 1MB so we don't segfault before we hit sys.getrecursionlimit()
# https://github.com/alpinelinux/aports/commit/2026e1259422d4e0cf92391ca2d3844356c649d0
        EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000" \
    && make install \
    \
    && runDeps="$( \
        scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
            | tr ',' '\n' \
            | sort -u \
            | awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
    )" \
    && apk add --virtual .python-rundeps $runDeps \
    && apk del .build-deps \
    \
    && find /usr/local -depth \
        \( \
            \( -type d -a \( -name test -o -name tests \) \) \
            -o \
            \( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
        \) -exec rm -rf '{}' + \
    && rm -rf /usr/src/python

# make some useful symlinks that are expected to exist
RUN cd /usr/local/bin \
    && ln -s idle3 idle \
    && ln -s pydoc3 pydoc \
    && ln -s python3 python \
    && ln -s python3-config python-config

# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
ENV PYTHON_PIP_VERSION 10.0.1

RUN set -ex; \
    \
    apk add --no-cache --virtual .fetch-deps libressl; \
    \
    wget -O get-pip.py 'https://bootstrap.pypa.io/get-pip.py'; \
    \
    apk del .fetch-deps; \
    \
    python get-pip.py \
        --disable-pip-version-check \
        --no-cache-dir \
        "pip==$PYTHON_PIP_VERSION" \
    ; \
    pip --version; \
    \
    find /usr/local -depth \
        \( \
            \( -type d -a \( -name test -o -name tests \) \) \
            -o \
            \( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
        \) -exec rm -rf '{}' +; \
    rm -f get-pip.py

我从here复制粘贴了蟒蛇3.6高山图像，但是当它们被打破时必须删除第33-34行。如果您要在生产中使用它，请考虑到这一点。快乐的pythoning。

Answer 3

ENV PYTHONUNBUFFERED=1

RUN echo "**** install Python ****" && \
    apk add --no-cache python3 && \
    if [ ! -e /usr/bin/python ]; then ln -sf python3 /usr/bin/python ; fi && \
    \
    echo "**** install pip ****" && \
    python3 -m ensurepip && \
    rm -r /usr/lib/python*/ensurepip && \
    pip3 install --no-cache --upgrade pip setuptools wheel && \
    if [ ! -e /usr/bin/pip ]; then ln -s pip3 /usr/bin/pip ; fi

来源https://github.com/Docker-Hub-frolvlad/docker-alpine-python3/blob/master/Dockerfile

在openjdk：7-jre-alpine docker如何安装python 3.6

3 个答案: