dockerfile builds nginx and combines php

Others 2022-05-26 15:36:07 views: 0

View the directory structure of nginx and php:

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[root@docker docker_demo]# tree nginx
nginx
├── Dockerfile
├── fastcgi_params
├── nginx-1.8.1.tar.gz
├── nginx.conf
└── www.conf
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[root@docker docker_demo]# tree php
php
├── Dockerfile
├── init.d.php-fpm
├── libmcrypt-2.5.7.tar.gz
├── php-5.6.30.tar.bz2
├── php-fpm.conf.default
└── php.ini-production
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Here, the construction process of nginx and php will be described in detail, as well as all the toolkits and configuration files used in the construction process

First introduce the construction of nginx, check the Dockerfile of nginx:

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[root@docker nginx]# cat Dockerfile 
FROM centos_init:v2

MAINTAINER json_hc@163.com

RUN useradd -M -s /sbin/nologin www
ADD nginx-1.8.1.tar.gz /usr/local/src

RUN yum install libxslt-devel -y gd gd-devel GeoIP GeoIP-devel pcre pcre-devel

WORKDIR /usr/local/src/nginx-1.8.1
RUN ./configure --user=www --group=www --prefix=/usr/local/nginx --with-file-aio --with-ipv6 --with-http_ssl_module  --with-http_spdy_module --with-http_realip_module    --with-http_addition_module    --with-http_xslt_module   --with-http_image_filter_module    --with-http_geoip_module  --with-http_sub_module  --with-http_dav_module --with-http_flv_module    --with-http_mp4_module --with-http_gunzip_module  --with-http_gzip_static_module  --with-http_auth_request_module  --with-http_random_index_module   --with-http_secure_link_module   --with-http_degradation_module   --with-http_stub_status_module && make && make install

COPY nginx.conf /usr/local/nginx/conf/nginx.conf
COPY fastcgi_params /usr/local/nginx/conf/fastcgi_params
RUN mkdir /usr/local/nginx/conf/vhost
COPY www.conf /usr/local/nginx/conf/vhost/www.conf

EXPOSE 80

CMD ["/usr/local/nginx/sbin/nginx","-g","daemon off;"]
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From the base image above, it can be seen that it is centos_init:v2, and the Dockerfile of the image is posted here:

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[root@docker nginx]# cat ../init/Dockerfile
# base image
FROM centos

# MAINTAINER
MAINTAINER json_hc@163.com

# backup CentOS-Base.repo to CentOS-Base.repo.bak
RUN mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak

# add epel and aliyun repo to /etc/yum.repos.d
COPY CentOS7-Base-163.repo /etc/yum.repos.d/CentOS7-Base-163.repo
COPY epel-release-latest-7.noarch.rpm /etc/yum.repos.d/

# install epel.repo
WORKDIR /etc/yum.repos.d/
RUN yum install -y epel-release-latest-7.noarch.rpm 
RUN yum clean all
 
# running required command
RUN yum install -y gcc gcc-c++ glibc make autoconf openssl openssl-devel ntpdate crontabs

# change timzone to Asia/Shanghai
RUN cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
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centos_init:v2镜像添加了repo的环境和编译的环境，而centos镜像就是初始的官方镜像

下面回归到nginx的构建文件：

从nginx的Dockerfile文件中可以看出，安装nginx采用的编译安装，创建了用户www和安装了nginx的一些依赖包，copy了一些配置文件到镜像中，这里

用到的配置文件将会全部放置到github上供参考，然后通过Dockerfile进行构建nginx镜像：

# docker build -t nginx:v1 .

这里需要介绍配置文件：

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[root@docker nginx]# cat www.conf 
server {
    listen   80;
    root /usr/local/nginx/html;
    index index.htm index.html index.php;
    location ~ \.php$ {
        root /usr/local/nginx/html;
        fastcgi_pass php:9000;
        fastcgi_index index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include fastcgi_params;
    } 
}
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可以看见fastcgi_pass php:9000;

这是因为php也是一个容器，和nginx是隔离的，后面nginx将会通过--link的方式与php镜像进行互联访问

查看php的Dockerfile文件：

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[root@docker php]# cat Dockerfile 
FROM centos_init:v2

MAINTAINER json_hc@163.com

ADD libmcrypt-2.5.7.tar.gz /usr/local/src

WORKDIR /usr/local/src/libmcrypt-2.5.7
RUN ./configure && make && make install

ADD php-5.6.30.tar.bz2 /usr/local/src

RUN yum -y install libxml2 libxml2-devel bzip2 bzip2-devel libjpeg-turbo libjpeg-turbo-devel libpng libpng-devel freetype freetype-devel zlib zlib-devel libcurl libcurl-devel

WORKDIR /usr/local/src/php-5.6.30
RUN ./configure --prefix=/usr/local/php --with-pdo-mysql=mysqlnd --with-mysqli=mysqlnd --with-mysql=mysqlnd --with-openssl --enable-mbstring --with-freetype-dir --with-jpeg-dir --with-png-dir --with-mcrypt --with-zlib --with-libxml-dir=/usr --enable-xml  --enable-sockets --enable-fpm --with-config-file-path=/usr/local/php/etc --with-bz2 --with-gd && make && make install


COPY php.ini-production /usr/local/php/etc/php.ini
COPY php-fpm.conf.default /usr/local/php/etc/php-fpm.conf

RUN useradd -M -s /sbin/nologin php
RUN sed -i -e 's@;pid = run/php-fpm.pid@pid = run/php-fpm.pid@g' -e 's@nobody@php@g' -e 's@listen = 127.0.0.1:9000@listen = 0.0.0.0:9000@g' /usr/local/php/etc/php-fpm.conf
RUN sed -i 's@;daemonize = yes@daemonize = no@g' /usr/local/php/etc/php-fpm.conf


EXPOSE 9000

CMD ["/usr/local/php/sbin/php-fpm"]
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构建的服务必须运行在前台，而对于nginx来说：

daemon off表示将后台运行关闭了，于是运行在前台

而对于phh：sed -i 's@;daemonize = yes@daemonize = no@g' /usr/local/php/etc/php-fpm.conf

这里也是将daemon模式关闭了，于是/usr/local/php/sbin/php-fpm运行在前台

 开始进行构建php：

[root@docker php]# docker build -t php .

查看生成的镜像：

[root@docker php]# docker images 
REPOSITORY                                         TAG                 IMAGE ID            CREATED             SIZE
php                                                latest              8902ce599658        5 minutes ago       1.08GB
nginx                                              latest              c3babfeba09b        22 minutes ago      578MB

利用构建的镜像启动php、nginx服务：

[root@docker php]# docker run -d --name=php -v /www:/usr/local/nginx/html php
538d9866defefe8c818fbebc7109a1cf8d271583f7ce6d14d4483a103a212903
[root@docker php]# docker run -d --name=nginx -p80:80 -v /www:/usr/local/nginx/html --link=php:php nginx
c476e0e2b37f5400ea2175b9a3fc61636190727576187f3feb9248fea37ffd81

上面启动php的容器时，使用了-v进行映射，如果这里不进行映射，那么php的程序会启动，但是遇到php结尾的文件将不会解析，出现file not found的错误

查看容器状态：

[root@docker php]# docker ps -a
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
c476e0e2b37f        nginx               "/usr/local/nginx/..."   11 seconds ago      Up 10 seconds       0.0.0.0:80->80/tcp       nginx
538d9866defe        php                 "/usr/local/php/sb..."   39 seconds ago      Up 38 seconds       9000/tcp                 php

网站目录结构：

[root@docker www]# tree .
.
├── index.html
└── test.php

进入到php容器查看hosts文件：

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[root@docker php]# docker exec -it php /bin/bash
[root@538d9866defe php-5.6.30]# cat /etc/hosts
127.0.0.1       localhost
::1     localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
172.17.0.4      538d9866defe
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查看nginx的hosts文件：

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[root@docker php]# docker exec -it nginx /bin/bash
[root@c476e0e2b37f nginx-1.8.1]# cat /etc/hosts
127.0.0.1       localhost
::1     localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
172.17.0.4      php 538d9866defe
172.17.0.5      c476e0e2b37f
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可以看见有一条php的解析，这就是为什么nginx能够和php进行通信的缘由（通过--link进行指定）

The configuration file is hosted on github: https://github.com/jsonhc/docker_project/tree/master/docker_dockerfile/lnmp

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