Docker-构建镜像并实现LNMP架构

一、搭建LNMP

基础配置

1、制作Nginx镜像

制作dockerfile

bash 复制代码
vim dockerfile

FROM centos:7
RUN rm -rf /etc/yum.repos.d/*
RUN curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
RUN yum clean all
RUN yum makecache
RUN yum -y install zlib-devel pcre-devel gcc make openssl-devel
ADD nginx-1.19.5.tar.gz /opt
WORKDIR /opt/nginx-1.19.5
RUN ./configure --prefix=/usr/local/nginx && make && make install
ADD nginx.conf /usr/local/nginx/conf/nginx.conf
EXPOSE 80
EXPOSE 443
ADD run.sh /run.sh
RUN chmod +x /run.sh
CMD ["/run.sh"]

编辑nginx配置文件

bash 复制代码
vim nginx.conf

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        listen       80;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
            root   /web;
            index  index.html index.htm index.php;
        }

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        location ~ \.php$ {
            root           /web;
            fastcgi_pass   php01:9000;
            fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
            include        fastcgi.conf;
        }

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

}
daemon off;

编辑容器前台运行脚本

bash 复制代码
vim run.sh
bash 复制代码
#!/bin/bash
/usr/local/nginx/sbin/nginx

创建镜像

bash 复制代码
docker build -t mynginx .

查看

bash 复制代码
docker images

2、制作PHP镜像

制作dockerfile

bash 复制代码
vim dockerfile

FROM centos:7
MAINTAINER jacker
RUN rm -rf /etc/yum.repos.d/*
RUN curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
RUN curl -o /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo
RUN yum cleanall
RUN yum makecache
RUN yum install -y wget net-tools php php-fpm php-common php-devel php-mysql
RUN sed -i 's/127.0.0.1/0.0.0.0/g' /etc/php-fpm.d/www.conf
RUN sed -i 's/listen.allowed_clients/;listen.allowed_clients/g' /etc/php-fpm.d/www.conf
RUN sed -i 's/;default_charset/default_charset/g' /etc/php.ini
EXPOSE 9000
CMD ["php-fpm"]

创建PHP镜像

bash 复制代码
docker build -t myphp .

3、制作MySQL镜像

制作dockerfile

bash 复制代码
vim dockerfile

FROM centos:7
RUN rm -rf /etc/yum.repos.d/*
RUN curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
RUN yum clean all
RUN yum makecache
RUN yum -y install mariadb mariadb-server
RUN chown -R mysql:mysql /var/lib/mysql
ADD run.sh /run.sh
RUN chmod +x /run.sh
RUN /run.sh
EXPOSE 3306
CMD ["mysql_safe"]

编辑mysql配置文件

bash 复制代码
vim my.cnf
bash 复制代码
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# Settings user and group are ignored when systemd is used.
# If you need to run mysqld under a different user or group,
# customize your systemd unit file for mariadb according to the
# instructions in http://fedoraproject.org/wiki/Systemd

[mysqld_safe]
log-error=/var/log/mariadb/mariadb.log
pid-file=/var/run/mariadb/mariadb.pid

#
# include all files from the config directory
#
!includedir /etc/my.cnf.d

编辑容器前台运行脚本

bash 复制代码
vim run.sh
bash 复制代码
#!/bin/bash
mysql_install_db --user=mysql
sleep=3
mysqld_safe &
sleep=3
mysqladmin -u "root" password "123456"
mysql -uroot -p123456 -e "grant all privileges on *.* to 'root'@'%' identified by '123456';"
mysql -uroot -p123456 -e "grant all privileges on *.* to 'root'@'localhost' identified by '123456';"
mysql -uroot -p123456 -e "flush privileges;"

创建mysql镜像

bash 复制代码
docker build -t my_mysql .

4、启动容器

myphp

bash 复制代码
docker run -id --net=my_net -v /web:/web --name php01 myphp

mynginx

bash 复制代码
docker run -id --net=my_net -v /web:/web -v /opt/nginx/nginx.conf:/usr/local/nginx/conf/nginx.conf -p 80:80 --name nginx01 mynginx

my_mysql

bash 复制代码
docker run -p 3306:3306 --name mysql01 -v /opt/mysql/my.cnf:/etc/my.cnf --net=my_net -d my_mysql

查看

bash 复制代码
docker ps -a

5、测试一:

bash 复制代码
cd /web

vim aaa.php
###编辑内容###
<?php
phpinfo();
?>

vim bbb.php
###编辑内容###
<?php
$link=mysqli_connect('mysql01','root','123456');
if($link) echo "test OK";
mysqli_close($link);
?>

6、测试二:

bash 复制代码
cd /web
rm -rf ./*
cp -r wordpress/* /web/
chmod -R 777 /web/
docker exec -it mysql01 /bin/bash
mysql -uroot -p123456
create database wordpress;

docker ps -a

7、制作tomcat镜像

制作dockerfile文件

bash 复制代码
vim dockerfile

FROM centos:7
ADD apache-tomcat-8.5.16.tar.gz /usr/local/
ADD jdk-8u91-linux-x64.tar.gz /usr/local/
RUN mv /usr/local/apache-tomcat-8.5.16 /usr/local/tomcat
RUN mv /usr/local/jdk1.8.0_91 /usr/local/java

ENV JAVA_HOME /usr/local/java
ENV JAVA_BIN /usr/local/java/bin
ENV JRE_HOME /usr/local/java/jre
ENV PARH $PATH:/usr/local/java/bin:/usr/local/java/jre/bin
ENV CLASSPATH $CLASSPATH:/usr/local/java/lib:/usrr/local/java/jre/lib

ADD run.sh /run.sh
RUN chmod +x /run.sh
CMD ["/run.sh"]

修改内核参数

bash 复制代码
echo "vm.max_map_count=655360" >> /etc/sysctl.conf
sysctl -p

编辑容器前台运行脚本

bash 复制代码
vim run.sh
bash 复制代码
#!/bin/bash
export JAVA_OPTS ="-Xms2048m -Xmx4096m"
ulimit -n 655360
/usr/local/tomcat/bin/startup.sh
tailf /usr/local/tomcat/logs/catalina.out

创建镜像

bash 复制代码
docker build -t mytomcat .

创建容器

bash 复制代码
docker run -itd -p 12345:8080 --name tomcat01 mytomcat

访问测试

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