基于容器的方式安装编译apache做成镜像
1. 首先下载3个安装包，apr，apr-util，httpd.
1 [root@localhost ~]# wget https://downloads.apache.org/apr/apr-1.7.0.tar.gz https://downloads.apache.org/apr/apr-util-1.6.1.tar.gz https://downloads.apache.org/httpd/httpd-2.4.53.tar.gz 2 [root@localhost ~]# ls 3 anaconda-ks.cfg apr-1.7.0.tar.gz apr-util-1.6.1.tar.gz httpd-2.4.53.tar.gz 下载到真机
2. 拉取centos最新版的镜像，启动容器，把3个包复制过来。
1 [root@localhost ~]# docker pull centos # 拉取镜像 2 [root@localhost ~]# docker images 3 REPOSITORY TAG IMAGE ID CREATED SIZE 4 busybox latest beae173ccac6 3 months ago 1.24MB 5 httpd latest dabbfbe0c57b 4 months ago 144MB 6 centos latest 5d0da3dc9764 7 months ago 231MB 7 [root@localhost ~]# docker run -it --name c1 centos /bin/bash # 启动容器 8 [root@localhost ~]# mkdir software # 创建一个目录 9 [root@localhost ~]# mv *.gz software/ # 把包放进去 10 [root@localhost software]# ls 11 apr-1.7.0.tar.gz apr-util-1.6.1.tar.gz httpd-2.4.53.tar.gz 12 [root@localhost ~]# docker cp software c1:/usr/src/ # 整个目录复制到容器里 13 [root@ca70ec7cb9fc src]# ls 14 debug kernels software 15 [root@ca70ec7cb9fc software]# ls 16 apr-1.7.0.tar.gz apr-util-1.6.1.tar.gz httpd-2.4.53.tar.gz
3. 解压，编译，安装
[root@ca70ec7cb9fc software]# tar xf apr-1.7.0.tar.gz [root@ca70ec7cb9fc software]# tar xf apr-util-1.6.1.tar.gz [root@ca70ec7cb9fc software]# tar xf httpd-2.4.53.tar.gz [root@ca70ec7cb9fc software]# ls apr-1.7.0 apr-1.7.0.tar.gz apr-util-1.6.1 apr-util-1.6.1.tar.gz httpd-2.4.53 httpd-2.4.53.tar.gz [root@ca70ec7cb9fc software]# cd apr-1.7.0 # 进去 [root@ca70ec7cb9fc apr-1.7.0]# vi configure # 编辑 $RM "$cfgfile" # 找到此行删除 [root@ca70ec7cb9fc apr-1.7.0]# ./configure --prefix=/usr/local/apr # 报错没有C编译器 [root@ca70ec7cb9fc apr-1.7.0]# cd /etc/yum.repos.d/ [root@ca70ec7cb9fc yum.repos.d]# ls CentOS-Linux-AppStream.repo CentOS-Linux-Debuginfo.repo CentOS-Linux-FastTrack.repo CentOS-Linux-Plus.repo CentOS-Linux-BaseOS.repo CentOS-Linux-Devel.repo CentOS-Linux-HighAvailability.repo CentOS-Linux-PowerTools.repo CentOS-Linux-ContinuousRelease.repo CentOS-Linux-Extras.repo CentOS-Linux-Media.repo CentOS-Linux-Sources.repo [root@ca70ec7cb9fc yum.repos.d]# rm -rf * # 删掉换国内源 [root@ca70ec7cb9fc yum.repos.d]# curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-vault-8.5.2111.repo [root@ca70ec7cb9fc yum.repos.d]# sed -i -e '/mirrors.cloud.aliyuncs.com/d' -e '/mirrors.aliyuncs.com/d' /etc/yum.repos.d/CentOS-Base.repo # 配置基础源 [root@ca70ec7cb9fc yum.repos.d]# ls CentOS-Base.repo [root@ca70ec7cb9fc yum.repos.d]# dnf clean all [root@ca70ec7cb9fc yum.repos.d]# dnf makecache [root@ca70ec7cb9fc apr-1.7.0]# dnf -y install gcc make # 缺什么装什么 保证最小化 [root@ca70ec7cb9fc apr-1.7.0]# ./configure --prefix=/usr/local/apr [root@ca70ec7cb9fc apr-1.7.0]# make -j 4 [root@ca70ec7cb9fc apr-1.7.0]# make install [root@ca70ec7cb9fc apr-util-1.6.1]# ./configure --prefix=/usr/local/apr-util --with-apr=/usr/local/apr [root@ca70ec7cb9fc apr-util-1.6.1]# dnf -y install expat-devel # 安装依赖包 [root@ca70ec7cb9fc apr-util-1.6.1]# make -j 4 [root@ca70ec7cb9fc apr-util-1.6.1]# make install [root@ca70ec7cb9fc httpd-2.4.53]# useradd -r -M -s /sbin/nologin apache 创建一个apache用户 [root@ca70ec7cb9fc httpd-2.4.53]# ./configure --prefix=/usr/local/apache \ > --enable-so \ > --enable-ssl \ > --enable-cgi \ > --enable-rewrite \ > --with-zlib \ > --with-pcre \ > --with-apr=/usr/local/apr \ > --with-apr-util=/usr/local/apr-util/ \ > --enable-modules=most \ > --enable-mpms-shared=all \ > --with-mpm=prefork 报错缺少依赖包 [root@ca70ec7cb9fc httpd-2.4.53]# dnf -y install pcre-devel # 安装 [root@ca70ec7cb9fc httpd-2.4.53]# dnf -y install openssl-devel [root@ca70ec7cb9fc httpd-2.4.53]# make -j 4 [root@ca70ec7cb9fc httpd-2.4.53]# make install
启动
[root@ca70ec7cb9fc apache]# ./bin/httpd # 后台启动 [root@ca70ec7cb9fc apache]# ss -antl State Recv-Q Send-Q Local Address:Port Peer Address:Port Process LISTEN 0 128 0.0.0.0:80 0.0.0.0:* [root@ca70ec7cb9fc apache]# pkill httpd [root@ca70ec7cb9fc ~]# cd / # 进到根目录 [root@ca70ec7cb9fc /]# ls bin dev etc home lib lib64 lost+found media mnt opt proc root run sbin srv sys tmp usr var [root@ca70ec7cb9fc /]# vi entrypoint.sh # 创建一个脚本启动 #!/bin/bash /usr/local/apache/bin/httpd && sleep 5d # 启动然后执行 [root@ca70ec7cb9fc /]# chmod +x entrypoint.sh # 给脚本加执行权限 [root@ca70ec7cb9fc /]# ls bin dev entrypoint.sh etc home lib lib64 lost+found media mnt opt proc root run sbin srv sys tmp usr var [root@ca70ec7cb9fc /]# ss -antl State Recv-Q Send-Q Local Address:Port Peer Address:Port Process LISTEN 0 128 0.0.0.0:80 0.0.0.0:* [root@localhost ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES ca70ec7cb9fc centos "/bin/bash" 4 hours ago Up 4 hours c1 [root@localhost ~]# curl 172.17.0.2 <html><body><h1>It works!</h1></body></html>
制作镜像
[root@localhost ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE busybox latest beae173ccac6 3 months ago 1.24MB httpd latest dabbfbe0c57b 4 months ago 144MB centos latest 5d0da3dc9764 7 months ago 231MB [root@localhost ~]# docker commit -a 'sun <1@2.com>' -c 'CMD ["/entrypoint.sh"]' -p c1 httpd:v1.0 #制作镜像 sha256:678c8c1a431fd2e78b46d9fc40220bed2ca13f1b5790badfa59bc70b88b67aef [root@localhost ~]# docker run -d --name web -p 80:80 httpd:v1.0 # 用作的镜像启动容器 0d14c5b1c3ad3b38c4214901d41cdc2d549ad1603cfa69f0318496c56dbea11a [root@localhost ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 0d14c5b1c3ad httpd:v1.0 "/entrypoint.sh" 25 seconds ago Up 14 seconds 0.0.0.0:80->80/tcp, :::80->80/tcp web ca70ec7cb9fc centos "/bin/bash" 4 hours ago Up 14 minutes c1
前台运行制作制作镜像
[root@ca70ec7cb9fc /]# /usr/local/apache/bin/httpd -DFOREGROUND # 前台运行 CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 0d14c5b1c3ad httpd:v1.0 "/entrypoint.sh" 24 minutes ago Up 24 minutes 0.0.0.0:80->80/tcp, :::80->80/tcp web ca70ec7cb9fc centos "/bin/bash" 5 hours ago Up 38 minutes c1 [root@localhost ~]# docker inspect c1 # 找id "IPAddress": "172.17.0.2", [root@localhost ~]# curl 172.17.0.2 # 访问成功 <html><body><h1>It works!</h1></body></html> [root@localhost ~]# docker commit -a 'sun <1@2.com>' -c 'CMD ["/usr/local/apache/bin/httpd","-D","FOREGROUND"]' -p c1 httpd:v2.0 # 创建镜像 sha256:48e7fec51ecf0c7e6891eca600363ba6919f5e0d5d6251dad55a0d488a2101fc [root@localhost ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE httpd v2.0 48e7fec51ecf 2 minutes ago 628MB httpd v1.0 678c8c1a431f 37 minutes ago 628MB busybox latest beae173ccac6 3 months ago 1.24MB httpd latest dabbfbe0c57b 4 months ago 144MB centos latest 5d0da3dc9764 7 months ago 231MB [root@localhost ~]# docker rm -f web # 80端口号被web占用 删除掉 web [root@localhost ~]# ss -antl State Recv-Q Send-Q Local Address:Port Peer Address:Port Process LISTEN 0 128 0.0.0.0:22 0.0.0.0:* LISTEN 0 128 [::]:22 [::]:* [root@localhost ~]# docker start web1 # 启动 web1 [root@localhost ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 964278fd4c8c httpd:2.0 "/usr/local/apache/b…" 4 minutes ago Up 12 seconds 0.0.0.0:80->80/tcp, :::80->80/tcp web1 ca70ec7cb9fc centos "/bin/bash" 5 hours ago Up 56 minutes c1
缩减镜像的大小
[root@ca70ec7cb9fc /]# du -sh * # 查看哪些目录过大 0 bin 0 dev 4.0K entrypoint.sh 2.4M etc 0 home 0 lib 0 lib64 0 lost+found 0 media 0 mnt 0 opt du: cannot access 'proc/24/task/24/fd/4': No such file or directory du: cannot access 'proc/24/task/24/fdinfo/4': No such file or directory du: cannot access 'proc/24/fd/4': No such file or directory du: cannot access 'proc/24/fdinfo/4': No such file or directory 0 proc 36K root 4.0K run 0 sbin 0 srv 0 sys 12K tmp 547M usr 53M var # var有56m进去查看 [root@ca70ec7cb9fc var]# du -sh * 0 adm 26M cache # 缓存没用可以删掉 0 crash 0 db 0 empty 0 ftp 0 games 0 gopher 0 kerberos 25M lib 0 local 0 lock 1.7M log 0 mail 0 nis 0 opt 0 preserve 0 run 0 spool 0 tmp 0 yp [root@ca70ec7cb9fc var]# cd cache [root@ca70ec7cb9fc cache]# ls bpf dnf ldconfig private [root@ca70ec7cb9fc cache]# rm -rf * [root@ca70ec7cb9fc cache]# ls [root@ca70ec7cb9fc /]# cd usr/ [root@ca70ec7cb9fc usr]# du -sh * 36M bin 0 games 15M include 41M lib 126M lib64 56M libexec 47M local 11M sbin 68M share 151M src 0 tmp [root@ca70ec7cb9fc usr]# cd src [root@ca70ec7cb9fc src]# du -sh * 0 debug 0 kernels 151M software [root@ca70ec7cb9fc src]# rm -rf software/ # 安装包安装之后也不需要 [root@ca70ec7cb9fc usr]# dnf -y remove make gcc # 编译的工具也不需要了可以清除一部分空间 [root@ca70ec7cb9fc /]# rm -rf entrypoint.sh # 脚本也不需要了 [root@localhost ~]# docker commit -a 'sun <1@2.com>' -c 'CMD ["/usr/local/apache/bin/httpd","-D","FOREGROUND"]' -p c1 httpd:v3.0 sha256:51efb88f38a58d2f8ede30a283838c6a7f332e6102b8407431fc75b72849e14f [root@localhost ~]# docker images # 缩减将近一半 REPOSITORY TAG IMAGE ID CREATED SIZE httpd v3.0 51efb88f38a5 23 seconds ago 365MB httpd v2.0 48e7fec51ecf 31 minutes ago 628MB httpd v1.0 678c8c1a431f About an hour ago 628MB busybox latest beae173ccac6 3 months ago 1.24MB httpd latest dabbfbe0c57b 4 months ago 144MB centos latest 5d0da3dc9764 7 months ago 231MB
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