docker高级教程的Dockerfile优化图像尺寸(Docker基础实用教程三:dockerfile)

1.从centos构建镜像mkdir/mnt/nginxvim docker file:7运行yum install -y gcc pcrepcr -devel devel zlib -devel make add nginx -1 . 22 . 0 . tar . gz/mnt/ngxwork dir/MNT/nginx/nginx -1 . 22 . 0 #关闭调试日志runsed -I ' s/cflags = " $ cflags -g "/# cflags = " $ cflags -g "/g ' auto/cc/gcc run。/configure 4 usr/local/nginx RUN make RUN make install expose 80 volume

二、不需要输出的指令从centos扔进/dev/null:7运行yum install -y gcc pcre -devel devel zlib -devel make & >/dev/null & amp；& ampyum clean all add nginx -1 . 22 . 0 . tar . gz/mnt/nginxWORKDIR/mnt/nginx/nginx -1 . 22 . 0 run sed -I ' s/CFLAGS = " $ CFLAGS -g "/# CFLAGS = " $ CFLAGS -g "/g ' auto/cc/gcr un。/configure --prefix =/usr/local/nginx & amp；& gt/dev/null run make & amp；& gt/dev/nullRUN进行安装。& gt/dev/null run RM -RF/mnt/nginx/nginx -1 . 22 . 0 expose 80 volume

三。减少从centos运行和构建:7 add nginx -1 . 22 . 0 . tar . gz/mnt/nginxworkdir/mnt/nginx/nginx -1 . 22 . 0 RUN yum install -y gcc pcrepcr -devel devel zlib -devel make & >/dev/null & amp；& amp\ yum clean all & amp& amp\ sed -I ' s/CFLAGS = " $ CFLAGS -g "/# CFLAGS = " $ CFLAGS -g "/g ' auto/cc/gcc & amp；& amp\ ./configure --prefix =/usr/local/nginx & amp；& gt/dev/null & amp；& amp制造& amp& gt/dev/null & amp；& amp制作安装& amp& gt/dev/null & amp；& amp\ RM -RF/mnt/nginx/nginx -1 . 22 . 0曝光80卷

Docker build -t nginx:v3。建立形象

Docker图像观察镜

四。从Centos多级构建:7 as build add nginx -1 . 22 . 0 . tar . gz/mnt/nginxworkdir/mnt/nginx/nginx -1 . 22 . 0 run yum install -y gcc pcrepcr -devel devel zlib -devel make & >/dev/null & amp；& amp\ yum clean all & amp& amp\ sed -I ' s/CFLAGS = " $ CFLAGS -g "/# CFLAGS = " $ CFLAGS -g "/g ' auto/cc/gcc & amp；& amp\./configure --prefix =/usr/local/nginx & amp；& gt/dev/null & amp；& amp制造& amp& gt/dev/null & amp；& amp\进行安装& amp& gt/dev/null & amp；& amp\ RM -RF/mnt/nginx/nginx -1 . 22 . 0 from centos:7 expose 80卷

5.使用更轻便的linux发行版Debian Alpineapt Addsandboxbusybox。

#下载debian压缩包WGET http://Download . openvz . org/template/pre created/Debian -7.0-x86-minimal . tar . gz docker导入Debian -7.0-x86-minimal . tar . gz --Debian:v1生成图像docker图像视图

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