Docker安裝Python

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方法一、通過 Dockerfile 構建

建立Dockerfile

首先，建立目錄python,用於存放後面的相關東西。

runoob@runoob:~$ mkdir -p ~/python ~/python/myapp

myapp目錄將對映為python容器配置的應用目錄

進入建立的python目錄，建立Dockerfile

FROM buildpack-deps:jessie

# remove several traces of debian python
RUN apt-get purge -y python.*

# 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

# gpg: key F73C700D: public key "Larry Hastings <larry@hastings.org>" imported
ENV GPG_KEY 97FC712E4C024BBEA48A61ED3A5CA953F73C700D

ENV PYTHON_VERSION 3.5.1

# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value `<VERSION>`"
ENV PYTHON_PIP_VERSION 8.1.2

RUN set -ex 
        && curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" -o python.tar.xz 
        && curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" -o python.tar.xz.asc 
        && export GNUPGHOME="$(mktemp -d)" 
        && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" 
        && gpg --batch --verify python.tar.xz.asc python.tar.xz 
        && rm -r "$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 
        
        && cd /usr/src/python 
        && ./configure --enable-shared --enable-unicode=ucs4 
        && make -j$(nproc) 
        && make install 
        && ldconfig 
        && pip3 install --no-cache-dir --upgrade --ignore-installed pip==$PYTHON_PIP_VERSION 
        && find /usr/local -depth 
                ( 
                    ( -type d -a -name test -o -name tests ) 
                    -o 
                    ( -type f -a -name `*.pyc` -o -name `*.pyo` ) 
                ) -exec