Dockerfile构建LNMP镜像

建立工作目录

[root@localhost ~]# mkdir lnmp

[root@localhost ~]# cd lnmp/

编写Dockerfile文件

[root@localhost lnmp]# vim Dockerfile

[root@localhost lnmp]# ll

总用量 4

-rw-r--r--. 1 root root 774 8月   3 14:54 Dockerfile

[root@localhost lnmp]# vim Dockerfile

#基础镜像

FROM centos:7

#维护该镜像的用户信息

MAINTAINER dddd <[e-mail]>

#配置Nginx 的YUM 源

RUN rpm -ivh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm

#安装nginx

RUN yum -y install nginx

#安装mysql 和php

RUN rpm --rebuilddb && yum -y install mariadb-devel mariadb-server mariadb php php-fpm

#修改nginx 配置文件，使之支持PHP

ADD default.conf /etc/nginx/conf.d/default.conf

#修改php-fpm 配置文件允许nginx 访问

RUN sed -i '/^user/s/apache/nginx/g' /etc/php-fpm.d/www.conf

RUN sed -i '/^group/s/apache/nginx/g' /etc/php-fpm.d/www.conf

#设置环境变量，便于管理

ENV MARIADB_USER root

ENV MARIADB_PASS 123456

#mysql 数据库授权

ADD db_init.sh /root/lnmp/db_init.sh

RUN chmod 775 /root/lnmp/db_init.sh

RUN /root/lnmp/db_init.sh

#添加测试页面

ADD index.php /usr/share/nginx/html/index.php

#定义时区

RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

#分别开启80 端口，443 端口，9000 端口，3360 端口

EXPOSE 80

EXPOSE 9000

EXPOSE 3306

#复制脚本，设置权限，启动容器时启动该脚本

ADD run.sh /run.sh

RUN chmod 775 /run.sh

CMD ["/run.sh"]

[root@localhost lnmp]# vim db_init.sh

#!/bin/bash

/usr/bin/mysql_install_db --user=mysql

sleep 3

/usr/bin/mysqld_safe &

sleep 3

mysql -e "use mysql; grant all privileges on *.* to '$MARIADB_USER'@'%' identified by '$MARIADB_PASS' with grant option;"

h=$(hostname)

mysql -e "use mysql; update user set password=password('$MARIADB_PASS') where user='$MARIADB_USER' and host='$h';"

mysql -e "flush privileges;"

[root@localhost lnmp]# cat index.php

<?php

phpinfo();

?>

[root@localhost lnmp]# vim default.conf

server {

    listen       80;

    server_name  localhost;

    

    location / {

        root   /usr/share/nginx/html;

        index  index.html index.php index.htm;

    }

    

    location ~ \.php$ {

        root           /usr/share/nginx/html;

        fastcgi_pass   127.0.0.1:9000;

        fastcgi_index  index.php;

        fastcgi_param  SCRIPT_FILENAME  /usr/share/nginx/html$fastcgi_script_name;

        include        fastcgi_params;

    }

}

[root@localhost lnmp]# vim run.sh

#!/bin/bash
/usr/sbin/nginx && /usr/sbin/php-fpm && /usr/bin/mysqld_safe
~                                                            

构建镜像

[root@localhost lnmp]# docker build -t lnmp:new .

 

查看镜像

[root@localhost lnmp]# docker images lnmp

REPOSITORY          TAG                 IMAGE ID            CREATED              SIZE

lnmp                new                 32a66b5338b8        About a minute ago   1.29 GB

查看容器

[root@localhost lnmp]# docker ps -a

CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS                        PORTS               NAMES

98e844280a3c        a2e4e56d9f93        "/bin/sh -c /root/..."   6 minutes ago       Exited (2) 6 minutes ago                          laughing_jang

8740ee7bdef5        be66fd4de586        "/bin/sh -c /root/..."   8 minutes ago       Exited (2) 7 minutes ago                          relaxed_yalow

c32f764948c4        6c24eace4c79        "/bin/sh -c 'yum -..."   11 minutes ago      Exited (1) 11 minutes ago                         priceless_fermi

4ab4819e827c        dd131d015a46        "/bin/sh -c /root/..."   12 minutes ago      Exited (2) 12 minutes ago                         jolly_easley

e9951f6581c1        dd131d015a46        "/bin/sh -c /root/..."   12 minutes ago      Exited (127) 12 minutes ago                       cocky_archimedes

e739feac4b30        0d5a3810062f        "/bin/sh -c /root/..."   16 minutes ago      Exited (2) 15 minutes ago                         nervous_thompson

太多了有的有冲突   所以要删除

[root@localhost lnmp]# docker rm -f $(docker ps -aq)

98e844280a3c

8740ee7bdef5

c32f764948c4

4ab4819e827c

e9951f6581c1

e739feac4b30

测试容器

[root@localhost lnmp]# docker run -d -p 80:80 -p 3306:3306 -p 9000:9000 --name=lnmp lnmp:new

ac342e45d06b725b1f707d064f45b313c606de6b3f16fa485833e85444d9f64d

 浏览器访问192.168.50.59/index.php