FROM centos:centos7.9.2009
RUN set -ex \
# 预安装所需组件。
&& yum install -y wget tar libffi-devel zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make initscripts zip\
&& wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tgz \
&& tar -zxvf Python-3.7.0.tgz \
&& cd Python-3.7.0 \
&& ./configure prefix=/usr/local/python3 \
&& make \
&& make install \
&& make clean \
&& rm -rf /Python-3.7.0* \
&& yum install -y epel-release \
&& yum install -y python-pip
# 设置默认为python3。
RUN set -ex \
# 备份旧版本python。
&& mv /usr/bin/python /usr/bin/python27 \
&& mv /usr/bin/pip /usr/bin/pip-python27 \
# 配置默认为python3。
&& ln -s /usr/local/python3/bin/python3.7 /usr/bin/python \
&& ln -s /usr/local/python3/bin/pip3 /usr/bin/pip
# 修复因修改python版本导致yum失效问题。
RUN set -ex \
&& sed -i "s#/usr/bin/python#/usr/bin/python27#" /usr/bin/yum \
&& sed -i "s#/usr/bin/python#/usr/bin/python27#" /usr/libexec/urlgrabber-ext-down \
&& yum install -y deltarpm
# 更新pip版本。
RUN pip install --upgrade pip