020基础镜像重构之Python编译镜像

构建工具选型(来自章节d008)

• Python (opens new window)
  • 3.9.9 (opens new window)
  • 3.11.13 (opens new window)
  • 3.12.11 (opens new window)
  • 3.13.7 (opens new window)

kenaito-python:3.13.7

镜像大小：451.56MB 构建耗时：首次 493.6s，再次 120.1s

# 下载源码
if [ ! -f "Python-3.13.7.tgz" ];then
  curl -O https://mirrors.huaweicloud.com/python/3.13.7/Python-3.13.7.tgz
fi
if [ $? -ne 0 ]; then
  echo "下载 Python-3.13.7.tgz 文件失败"
  exit 1
fi
# Dockerfile
cat > Dockerfile << 'EOF'
# 阶段1:源码编译
FROM alibaba-cloud-linux-3-registry.cn-hangzhou.cr.aliyuncs.com/alinux3/alinux3:latest AS builder
LABEL MAINTAINER="tianjun@odboy.cn"
ENV TimeZone="Asia/Shanghai"
WORKDIR /home/admin
ADD Python-3.13.7.tgz .
RUN ln -snf /usr/share/zoneinfo/$TimeZone /etc/localtime && echo $TimeZone > /etc/timezone; \
sed -i 's/mirrors.cloud.aliyuncs.com/mirrors.aliyun.com/' /etc/yum.repos.d/*.repo; \
yum install gcc patch libffi-devel python-devel zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel -y; \
yum install epel-release -y; \
yum install tar -y; \
yum install gcc automake autoconf libtool make -y; \
cd Python-3.13.7; \
./configure --with-ssl --prefix=/usr/local/python3; \
make && make install; \
cd /usr/local; \
tar -czvf python3.tgz python3; \
mv python3.tgz /tmp/;

# 阶段2:制作镜像
FROM alibaba-cloud-linux-3-registry.cn-hangzhou.cr.aliyuncs.com/alinux3/alinux3:latest
LABEL MAINTAINER="tianjun@odboy.cn"
ENV TimeZone="Asia/Shanghai"
ENV PYTHON_HOME="/home/admin/python3"
ENV PATH="$PATH:${PYTHON_HOME}/bin"
WORKDIR /home/admin
COPY --from=builder /tmp/python3.tgz .
RUN ln -snf /usr/share/zoneinfo/$TimeZone /etc/localtime && echo $TimeZone > /etc/timezone; \
sed -i 's/mirrors.cloud.aliyuncs.com/mirrors.aliyun.com/' /etc/yum.repos.d/*.repo; \
yum install tar -y; \
tar -xvf python3.tgz; \
rm -f python3.tgz;
CMD ["sleep", "365d"]
EOF

# 构建镜像(docker可换成buildah)
docker build --no-cache -f Dockerfile -t kenaito-python:3.13.7 .
if [ $? -ne 0 ]; then
  echo "构建镜像失败"
  exit 1
fi

# 运行测试
docker run kenaito-python:3.13.7