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第四章 LINUX Docker LNMP項(xiàng)目搭建
一、項(xiàng)目環(huán)境
公司在實(shí)際的生產(chǎn)環(huán)境中，需要使用Docker 技術(shù)在一臺(tái)主機(jī)上創(chuàng)建LNMP服務(wù)并運(yùn)行Wordpress網(wǎng)站平臺(tái)。然后對(duì)此服務(wù)進(jìn)行相關(guān)的性能調(diào)優(yōu)和管理工作
1.環(huán)境描述
| 容器宿主機(jī) | 操作系統(tǒng) | ip地址 | 主要軟件 |
|---|---|---|---|
| Docker | CentOS 7.3 x86_64 | 192.168.58.60 | Docker 19.03 |
2.容器ip地址規(guī)劃
宿主機(jī) ip地址：192.168.58.60
nginx容器 ip地址：172.18.0.10
mysql容器 ip地址：172.18.0.20
php容器 ip地址：172.18.0.30
3.任務(wù)需求
1）使用Docker構(gòu)建LNMP環(huán)境并運(yùn)行Wordpress網(wǎng)站平臺(tái)
2）限制Nginx容器最多使用500Mb的內(nèi)存和1G的Swap
3）限制Mysql容器寫 /dev/sda 的速率為 10 MB/s
4）將所有容器進(jìn)行快照，然后將Docker鏡像打包成tar包備份到本地
二、部署過程
###前提本地已經(jīng)安裝docker，配置lnmp的文件目錄
cd /opt/
mkdir mylnmp
cd /opt/mylnmp/
mkdir nginx mysql php
###部署一個(gè)有所有軟件依賴包的鏡像，以便進(jìn)行分階段構(gòu)建鏡像
cd /opt/
vim Dockerfile
FROM centos:7 ###從公有倉(cāng)庫(kù)pull一個(gè)centos:7的鏡像
COPY qinghua-yum.sh /opt/ ###上傳修改yum源的腳本
RUN chmod +x /opt/qinghua-yum.sh && /opt/qinghua-yum.sh && \
yum -y install pcre-devel zlib-devel openssl-devel \
gcc gcc-c++ make ncurses ncurses-devel bison cmake gd \
libjpeg-devel \
libpng-devel \
freetype-devel \
libxml2-devel \
zlib-devel \
curl-devel \
openssl-devel
docker build -t centos7:mylnmp
docker images
docker network create --subnet=172.18.0.0/16 --opt "com.docker.network.bridge.name"="docker1" mylnmp
docker network ls
1.部署構(gòu)建 nginx 鏡像
###nginx目錄下已上傳nginx安裝包、論壇安裝包、nginx配置文件
cd /opt/mylnmp/nginx/
ls
###部署 nginx 的 Dockerfile
cd /opt/mylnmp/nginx/
vim Dockerfile
FROM centos7:mylnmp
ADD nginx-1.24.0.tar.gz /usr/local/
RUN useradd -M -s /sbin/nologin nginx && \
cd /usr/local/nginx-1.24.0 && \
./configure \
--prefix=/usr/local/nginx \
--user=nginx \
--group=nginx \
--with-http_stub_status_module && make && make install
COPY nginx.conf /usr/local/nginx/conf/nginx.conf
FROM centos:7
COPY --from=0 /usr/local/nginx/ /usr/local/nginx/
RUN useradd -M -s /sbin/nologin nginx
EXPOSE 80
#EXPOSE 443
CMD ["/usr/local/nginx/sbin/nginx", "-g", "daemon off;"]
docker build -t nginx:lnmp
docker images
docker run -d --name nginx --network=myLnmp --ip=172.18.0.10 -p 80:80 -v /opt/mylnmp/nginx/html/:/usr/local/nginx/html/ -m 500m - -memory-swap=1.5g centos7:myLnmp
docker ps -a
2.部署構(gòu)建 mysql 鏡像
###mysql目錄下已上傳mysql安裝包、mysql配置文件
cd /opt/mylnmp/mysql/
ls
###部署 mysql 的 Dockerfile
cd /opt/mylnmp/mysql/
vim Dockerfile
FROM centos7:mylnmp
ADD mysql-boost-5.7.41.tar.gz /opt/
RUN cd /opt/mysql-5.7.41/ && \
cmake \
-DCMAKE_INSTALL_PREFIX=/usr/local/mysql \
-DMYSQL_UNIX_ADDR=/usr/local/mysql/mysql.sock \
-DSYSCONFDIR=/etc \
-DSYSTEMD_PID_DIR=/usr/local/mysql \
-DDEFAULT_CHARSET=utf8 \
-DDEFAULT_COLLATION=utf8_general_ci \
-DWITH_EXTRA_CHARSETS=all \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_ARCHIVE_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITH_PERFSCHEMA_STORAGE_ENGINE=1 \
-DMYSQL_DATADIR=/usr/local/mysql/data \
-DWITH_BOOST=boost \
-DWITH_SYSTEMD=1 && \
make -j4 && make install
FROM centos:7
COPY --from=0 /usr/local/mysql/ /usr/local/mysql/
COPY my.cnf /etc/my.cnf
ENV PATH=/usr/local/mysql/bin:/usr/local/mysql/lib:$PATH
RUN useradd -M -s /sbin/nologin mysql && \
chown -R mysql:mysql /usr/local/mysql/ && \
chown mysql:mysql /etc/my.cnf && \
/usr/local/mysql/bin/mysqld \
--initialize-insecure \
--user=mysgl \
--basedir=/usr/local/mysql \
--datadir=/usr/local/mysql/data
EXPOSE 3306
CMD ["/usr/local/mysql/bin/mysqld"]
docker build -t mysql:lnmp
docker images
docker run -d --name mysql --privileged --network mylnmp --ip 172.18.0.20 -v /usr/local/mysql --device-write-bps /dev/sda:10mb mysql:lnmp
docker ps -a
docker exec -it 5066206ee1b6 bash
mysqladmin -u root password "123"
mysql -u root -p123
CREATE DATABASE wordpress;
GRANT all ON wordpress.* TO 'admin'@'%' IDENTIFIED BY '123';
flush privileges;
exit
exit
3.部署構(gòu)建 php 鏡像
###mysql目錄下已上傳php安裝包、php配置文件
cd /opt/mylnmp/php/
ls
###部署 php 的 Dockerfile
cd /opt/mylnmp/php/
vim Dockerfile
FROM centos7:mylnmp
ADD php-7.1.10.tar.bz2 /opt
RUN cd /opt/php-7.1.10 && \
./configure \
--prefix=/usr/local/php \
--with-mysql-sock=/usr/local/mysql/mysql.sock \
--with-mysqli \
--with-zlib \
--with-curl \
--with-gd \
--with-jpeg-dir \
--with-png-dir \
--with-freetype-dir \
--with-openssl \
--enable-fpm \
--enable-mbstring \
--enable-xml \
--enable-session \
--enable-ftp \
--enable-pdo \
--enable-tokenizer \
--enable-zip && make -j 2 && make install
COPY php.ini /usr/local/php/lib/php.ini
COPY php-fpm.conf /usr/local/php/etc/php-fpm.conf
COPY www.conf /usr/local/php/etc/php-fpm.d/www.conf
FROM centos:7
COPY --from=0 /usr/local/php /usr/local/php
RUN useradd -M -s /sbin/nologin php && yum -y install gd \
libjpeg-devel \
libpng-devel \
freetype-devel \
libxml2-devel \
zlib-devel \
curl-devel \
openssl-devel
EXPOSE 9000
CMD ["/usr/local/php/sbin/php-fpm", "-F"]
docker build -t php:lnmp
docker images
docker run --name php -d -p 9000:9000 --network mylnmp --ip 172.18.0.30 --volumes-from nginx --volumes-from mysql php:lnmp
docker ps -a
docker exec -it 850d14f706b7 bash
ls /usr/local
ls /usr/local/nginx/html
ls /usr/local/mysql
exit
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4.驗(yàn)證測(cè)試
http://192.168.58.60/index.html
http://192.168.58.60/index.php
http://192.168.58.60/wordpress/index.php
文章來(lái)源地址http://www.zghlxwxcb.cn/news/detail-604986.html
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