Docker常用命令
wptr33 2024-11-22 21:59 35 浏览
Docker基本命令
更新软件包
yum -y update安装Docker虚拟机
 yum install -y docker运行、重启、关闭Docker虚拟机
service docker start
service docker stop搜索镜像
 docker search 镜像名称下载镜像
docker pull 镜像名称查看镜像
 docker images删除镜像
 docker rmi 镜像名称运行容器
 docker run 启动参数  镜像名称查看容器列表
 docker ps -a停止、挂起、恢复容器
docker stop 容器ID
docker pause 容器ID
docker unpase 容器ID查看容器信息
 docker inspect 容器ID删除容器
docker rm 容器ID数据卷管理
 docker volume create 数据卷名称  #创建数据卷
 docker volume rm 数据卷名称  #删除数据卷
 docker volume inspect 数据卷名称  #查看数据卷网络管理
docker network ls 查看网络信息
docker network create --subnet=网段 网络名称
docker network rm 网络名称避免VM虚拟机挂起恢复之后,Docker虚拟机断网
 vi /etc/sysctl.conf 
文件中添加`net.ipv4.ip_forward=1`这个配置#重启网络服务
systemctl  restart network开源前后端分离项目人人网,用Docker部署案例
前端部署方案:
后端部署方案
数据库集群部署方案:
Redis集群部署方案
安装PXC集群,负载均衡,双机热备
安装PXC镜像
 docker pull percona/percona-xtradb-cluster为PXC镜像改名
docker tag percona/percona-xtradb-cluster pxc创建net1网段
docker network create --subnet=172.18.0.0/16 net1创建5个数据卷
 docker volume create --name v1
docker volume create --name v2
docker volume create --name v3
docker volume create --name v4
docker volume create --name v5创建备份数据卷(用于热备份数据)
docker volume create --name backup创建5节点的PXC集群
注意,每个MySQL容器创建之后,因为要执行PXC的初始化和加入集群等工作,耐心等待1分钟左右再用客户端连接MySQL。另外,必须第1个MySQL节点启动成功,用MySQL客户端能连接上之后,再去创建其他MySQL节点。
#创建第1个MySQL节点
docker run -d -p 3306:3306 -e MYSQL_ROOT_PASSWORD=abc123456 
  -e CLUSTER_NAME=PXC 
    -e XTRABACKUP_PASSWORD=abc123456 
      -v v1:/var/lib/mysql -v backup:/data --privileged 
        --name=node1 
          --net=net1
            --ip 172.18.0.2 pxc
            #创建第2个MySQL节点
docker run -d -p 3307:3306 
  -e MYSQL_ROOT_PASSWORD=abc123456 
    -e CLUSTER_NAME=PXC
      -e XTRABACKUP_PASSWORD=abc123456 
        -e CLUSTER_JOIN=node1 
          -v v2:/var/lib/mysql -v backup:/data --privileged 
            --name=node2 
              --net=net1
                --ip 172.18.0.3 pxc#创建第3个MySQL节点
docker run -d -p 3308:3306 
  -e MYSQL_ROOT_PASSWORD=abc123456 
    -e CLUSTER_NAME=PXC 
      -e XTRABACKUP_PASSWORD=abc123456 
        -e CLUSTER_JOIN=node1 
          -v v3:/var/lib/mysql --privileged 
            --name=node3 
              --net=net1 
                --ip 172.18.0.4 pxc#创建第4个MySQL节点
docker run -d -p 3309:3306 
  -e MYSQL_ROOT_PASSWORD=abc123456 
    -e CLUSTER_NAME=PXC 
      -e XTRABACKUP_PASSWORD=abc123456 
        -e CLUSTER_JOIN=node1 
          -v v4:/var/lib/mysql --privileged 
            --name=node4 
              --net=net1 
                --ip 172.18.0.5 pxc#创建第5个MySQL节点
docker run -d -p 3310:3306 
  -e MYSQL_ROOT_PASSWORD=abc123456 
    -e CLUSTER_NAME=PXC 
      -e XTRABACKUP_PASSWORD=abc123456 
        -e CLUSTER_JOIN=node1 
          -v v5:/var/lib/mysql -v backup:/data --privileged 
            --name=node5 
              --net=net1 
                --ip 172.18.0.6 pxc安装Haproxy镜像
docker pull haproxy宿主机上编写Haproxy配置文件
 vi /home/soft/haproxy.cfg配置文件如下:
global
    #工作目录
    chroot /usr/local/etc/haproxy
    #日志文件,使用rsyslog服务中local5日志设备(/var/log/local5),等级info
    log 127.0.0.1 local5 info
    #守护进程运行
    daemon
defaults
    log global
    mode    http
    #日志格式
    option  httplog
    #日志中不记录负载均衡的心跳检测记录
    option  dontlognull
    #连接超时(毫秒)
    timeout connect 5000
    #客户端超时(毫秒)
    timeout client  50000
    #服务器超时(毫秒)
    timeout server  50000
#监控界面   
listen  admin_stats
    #监控界面的访问的IP和端口
    bind  0.0.0.0:8888
    #访问协议
    mode        http
    #URI相对地址
    stats uri   /dbs
    #统计报告格式
    stats realm     Global\ statistics
    #登陆帐户信息
    stats auth  admin:abc123456
#数据库负载均衡
listen  proxy-mysql
    #访问的IP和端口
    bind  0.0.0.0:3306  
    #网络协议
    mode  tcp
    #负载均衡算法(轮询算法)
    #轮询算法:roundrobin
    #权重算法:static-rr
    #最少连接算法:leastconn
    #请求源IP算法:source 
    balance  roundrobin
    #日志格式
    option  tcplog
    #在MySQL中创建一个没有权限的haproxy用户,密码为空。
    #Haproxy使用这个账户对MySQL数据库心跳检测
    option  mysql-check user haproxy
    server  MySQL_1 172.18.0.2:3306 check weight 1 maxconn 2000  
    server  MySQL_2 172.18.0.3:3306 check weight 1 maxconn 2000  
    server  MySQL_3 172.18.0.4:3306 check weight 1 maxconn 2000 
    server  MySQL_4 172.18.0.5:3306 check weight 1 maxconn 2000
    server  MySQL_5 172.18.0.6:3306 check weight 1 maxconn 2000
    #使用keepalive检测死链
    option  tcpka  创建两个Haproxy容器
#创建第1个Haproxy负载均衡服务器
docker run -it -d -p 4001:8888 -p 4002:3306 
  -v /home/soft/haproxy:/usr/local/etc/haproxy 
    --name h1 --privileged --net=net1 --ip 172.18.0.7 haproxy
#进入h1容器,启动Haproxy
docker exec -it h1 bash
haproxy -f /usr/local/etc/haproxy/haproxy.cfg
#创建第2个Haproxy负载均衡服务器
docker run -it -d -p 4003:8888 -p 4004:3306 
  -v /home/soft/haproxy:/usr/local/etc/haproxy 
    --name h2 --privileged --net=net1 --ip 172.18.0.8 haproxy
#进入h2容器,启动Haproxy
docker exec -it h2 bash
haproxy -f /usr/local/etc/haproxy/haproxy.cfgHaproxy容器内安装Keepalived,设置虚拟IP
#进入h1容器
docker exec -it h1 bash
#更新软件包
apt-get update
#安装VIM
apt-get install vim
#安装Keepalived
apt-get install keepalived
#编辑Keepalived配置文件(参考下方配置文件)
vim /etc/keepalived/keepalived.conf
#启动Keepalived
service keepalived start
#宿主机执行ping命令
ping 172.18.0.201配置文件内容如下:
vrrp_instance  VI_1 {
    state  MASTER
    interface  eth0
    virtual_router_id  51
    priority  100
    advert_int  1
    authentication {
        auth_type  PASS
        auth_pass  123456
    }
    virtual_ipaddress {
        172.18.0.201
    }
}#进入h2容器
docker exec -it h2 bash
#更新软件包
apt-get update
#安装VIM
apt-get install vim
#安装Keepalived
apt-get install keepalived
#编辑Keepalived配置文件
vim /etc/keepalived/keepalived.conf
#启动Keepalived
service keepalived start
#宿主机执行ping命令
ping 172.18.0.201vrrp_instance  VI_1 {
    state  MASTER
    interface  eth0
    virtual_router_id  51
    priority  100
    advert_int  1
    authentication {
        auth_type  PASS
        auth_pass  123456
    }
    virtual_ipaddress {
        172.18.0.201
    }
}宿主机安装Keepalived,实现双击热备
#宿主机执行安装Keepalived
yum -y install keepalived
#修改Keepalived配置文件
vi /etc/keepalived/keepalived.conf
#启动Keepalived
service keepalived startKeepalived配置文件如下:
vrrp_instance VI_1 {
    state MASTER
    interface ens33
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        192.168.99.150
    }
}
virtual_server 192.168.99.150 8888 {
    delay_loop 3
    lb_algo rr 
    lb_kind NAT
    persistence_timeout 50
    protocol TCP
    real_server 172.18.0.201 8888 {
        weight 1
    }
}
virtual_server 192.168.99.150 3306 {
    delay_loop 3
    lb_algo rr 
    lb_kind NAT
    persistence_timeout 50
    protocol TCP
    real_server 172.18.0.201 3306 {
        weight 1
    }
}热备份数据
#进入node1容器
docker exec -it node1 bash
#更新软件包
apt-get update
#安装热备工具
apt-get install percona-xtrabackup-24
#全量热备
innobackupex --user=root --password=abc123456 /data/backup/full冷还原数据 停止其余4个节点,并删除节点
docker stop node2
docker stop node3
docker stop node4
docker stop node5
docker rm node2
docker rm node3
docker rm node4
docker rm node5node1容器中删除MySQL的数据
#删除数据
rm -rf /var/lib/mysql/*
#清空事务
innobackupex --user=root --password=abc123456 
--apply-back /data/backup/full/2018-04-15_05-09-07/
#还原数据
innobackupex --user=root --password=abc123456 
--copy-back  /data/backup/full/2018-04-15_05-09-07/安装Redis,配置RedisCluster集群
安装Redis镜像
 docker pull yyyyttttwwww/redis创建net2网段
docker network create --subnet=172.19.0.0/16 net2创建6节点Redis容器
docker run -it -d --name r1 -p 5001:6379 --net=net2 --ip 172.19.0.2 redis bash
docker run -it -d --name r2 -p 5002:6379 --net=net2 --ip 172.19.0.3 redis bash
docker run -it -d --name r3 -p 5003:6379 --net=net2 --ip 172.19.0.4 redis bash
docker run -it -d --name r4 -p 5004:6379 --net=net2 --ip 172.19.0.5 redis bash
docker run -it -d --name r5 -p 5005:6379 --net=net2 --ip 172.19.0.6 redis bash启动6节点Redis服务器
#进入r1节点
docker exec -it r1 bash
cp /home/redis/redis.conf /usr/redis/redis.conf
cd /usr/redis/src
./redis-server ../redis.conf
#进入r2节点
docker exec -it r2 bash
cp /home/redis/redis.conf /usr/redis/redis.conf
cd /usr/redis/src
./redis-server ../redis.conf
#进入r3节点
docker exec -it r3 bash
cp /home/redis/redis.conf /usr/redis/redis.conf
cd /usr/redis/src
./redis-server ../redis.conf
#进入r4节点
docker exec -it r4 bash
cp /home/redis/redis.conf /usr/redis/redis.conf
cd /usr/redis/src
./redis-server ../redis.conf
#进入r5节点
docker exec -it r5 bash
cp /home/redis/redis.conf /usr/redis/redis.conf
cd /usr/redis/src
./redis-server ../redis.conf
#进入r6节点
docker exec -it r6 bash
cp /home/redis/redis.conf /usr/redis/redis.conf
cd /usr/redis/src
./redis-server ../redis.conf创建Cluster集群
#在r1节点上执行下面的指令
cd /usr/redis/src
mkdir -p ../cluster
cp redis-trib.rb ../cluster/
cd ../cluster
#创建Cluster集群
./redis-trib.rb create 
  --replicas 1 
172.19.0.2:6379 
172.19.0.3:6379 
172.19.0.4:6379 
172.19.0.5:6379 
172.19.0.6:6379 
172.19.0.7:6379打包部署后端项目
进入人人开源后端项目,执行打包(修改配置文件,更改端口,打包三次生成三个JAR文件)
mvn clean install -Dmaven.test.skip=true安装Java镜像
docker pull java创建3节点Java容器
#创建数据卷,上传JAR文件
docker volume create j1
#启动容器
docker run -it -d --name j1 -v j1:/home/soft --net=host java
#进入j1容器
docker exec -it j1 bash
#启动Java项目
nohup java -jar /home/soft/renren-fast.jar
#创建数据卷,上传JAR文件
docker volume create j2
#启动容器
docker run -it -d --name j2 -v j2:/home/soft --net=host java
#进入j1容器
docker exec -it j2 bash
#启动Java项目
nohup java -jar /home/soft/renren-fast.jar
#创建数据卷,上传JAR文件
docker volume create j3
#启动容器
docker run -it -d --name j3 -v j3:/home/soft --net=host java
#进入j1容器
docker exec -it j3 bash
#启动Java项目
nohup java -jar /home/soft/renren-fast.jar安装Nginx镜像
docker pull nginx创建Nginx容器,配置负载均衡
宿主机上/home/n1/nginx.conf配置文件内容如下:
user  nginx;
worker_processes  1;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;
events {
    worker_connections  1024;
}
http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;
    sendfile        on;
    #tcp_nopush     on;
    keepalive_timeout  65;
    #gzip  on;
    
    proxy_redirect          off;
    proxy_set_header        Host $host;
    proxy_set_header        X-Real-IP $remote_addr;
    proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    client_max_body_size    10m;
    client_body_buffer_size   128k;
    proxy_connect_timeout   5s;
    proxy_send_timeout      5s;
    proxy_read_timeout      5s;
    proxy_buffer_size        4k;
    proxy_buffers           4 32k;
    proxy_busy_buffers_size  64k;
    proxy_temp_file_write_size 64k;
    
    upstream tomcat {
        server 192.168.99.104:6001;
        server 192.168.99.104:6002;
        server 192.168.99.104:6003;
    }
    server {
        listen       6101;
        server_name  192.168.99.104; 
        location / {  
            proxy_pass   http://tomcat;
            index  index.html index.htm;  
        }  
    }
}创建第1个Nginx节点
docker run -it -d --name n1 
  -v /home/n1/nginx.conf:/etc/nginx/nginx.conf 
    --net=host --privileged nginx宿主机上/home/n2/nginx.conf配置文件内容如下:
user  nginx;
worker_processes  1;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;
events {
    worker_connections  1024;
}
http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;
    sendfile        on;
    #tcp_nopush     on;
    keepalive_timeout  65;
    #gzip  on;
    
    proxy_redirect          off;
    proxy_set_header        Host $host;
    proxy_set_header        X-Real-IP $remote_addr;
    proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    client_max_body_size    10m;
    client_body_buffer_size   128k;
    proxy_connect_timeout   5s;
    proxy_send_timeout      5s;
    proxy_read_timeout      5s;
    proxy_buffer_size        4k;
    proxy_buffers           4 32k;
    proxy_busy_buffers_size  64k;
    proxy_temp_file_write_size 64k;
    
    upstream tomcat {
        server 192.168.99.104:6001;
        server 192.168.99.104:6002;
        server 192.168.99.104:6003;
    }
    server {
        listen       6102;
        server_name  192.168.99.104; 
        location / {  
            proxy_pass   http://tomcat;
            index  index.html index.htm;  
        }  
    }
}创建第2个Nginx节点
docker run -it -d --name n2 
  -v /home/n2/nginx.conf:/etc/nginx/nginx.conf 
    --net=host --privileged nginx在Nginx容器安装Keepalived
#进入n1节点
docker exec -it n1 bash
#更新软件包
apt-get update
#安装VIM
apt-get install vim
#安装Keepalived
apt-get install keepalived
#编辑Keepalived配置文件(如下)
vim /etc/keepalived/keepalived.conf
#启动Keepalived
service keepalived startvrrp_instance VI_1 {
    state MASTER
    interface ens33
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 123456
    }
    virtual_ipaddress {
        192.168.99.151
    }
}
virtual_server 192.168.99.151 6201 {
    delay_loop 3
    lb_algo rr
    lb_kind NAT
    persistence_timeout 50
    protocol TCP
    real_server 192.168.99.104 6101 {
        weight 1
    }
}#进入n1节点
docker exec -it n2 bash
#更新软件包
apt-get update
#安装VIM
apt-get install vim
#安装Keepalived
apt-get install keepalived
#编辑Keepalived配置文件(如下)
vim /etc/keepalived/keepalived.conf
#启动Keepalived
service keepalived startvrrp_instance VI_1 {
    state MASTER
    interface ens33
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 123456
    }
    virtual_ipaddress {
        192.168.99.151
    }
}
virtual_server 192.168.99.151 6201 {
    delay_loop 3
    lb_algo rr
    lb_kind NAT
    persistence_timeout 50
    protocol TCP
    real_server 192.168.99.104 6102 {
        weight 1
    }
}打包部署后端项目
在前端项目路径下执行打包指令
npm run buildbuild目录的文件拷贝到宿主机的/home/fn1/renren-vue、/home/fn2/renren-vue、/home/fn3/renren-vue的目录下面
创建3节点的Nginx,部署前端项目
宿主机/home/fn1/nginx.conf的配置文件
user  nginx;
worker_processes  1;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;
events {
    worker_connections  1024;
}
http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;
    sendfile        on;
    #tcp_nopush     on;
    keepalive_timeout  65;
    #gzip  on;
	
	proxy_redirect          off;
	proxy_set_header        Host $host;
	proxy_set_header        X-Real-IP $remote_addr;
	proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
	client_max_body_size    10m;
	client_body_buffer_size   128k;
	proxy_connect_timeout   5s;
	proxy_send_timeout      5s;
	proxy_read_timeout      5s;
	proxy_buffer_size        4k;
	proxy_buffers           4 32k;
	proxy_busy_buffers_size  64k;
	proxy_temp_file_write_size 64k;
	
	server {
		listen 6501;
		server_name  192.168.99.104;
		location  /  {
			root  /home/fn1/renren-vue;
			index  index.html;
		}
	}
}#启动第fn1节点
docker run -it -d --name fn1 
  -v /home/fn1/nginx.conf:/etc/nginx/nginx.conf 
    -v /home/fn1/renren-vue:/home/fn1/renren-vue --privileged 
      --net=host nginx宿主机/home/fn2/nginx.conf的配置文件
user  nginx;
worker_processes  1;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;
events {
    worker_connections  1024;
}
http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;
    sendfile        on;
    #tcp_nopush     on;
    keepalive_timeout  65;
    #gzip  on;
    
    proxy_redirect          off;
    proxy_set_header        Host $host;
    proxy_set_header        X-Real-IP $remote_addr;
    proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    client_max_body_size    10m;
    client_body_buffer_size   128k;
    proxy_connect_timeout   5s;
    proxy_send_timeout      5s;
    proxy_read_timeout      5s;
    proxy_buffer_size        4k;
    proxy_buffers           4 32k;
    proxy_busy_buffers_size  64k;
    proxy_temp_file_write_size 64k;
    
    server {
        listen 6502;
        server_name  192.168.99.104;
        location  /  {
            root  /home/fn2/renren-vue;
            index  index.html;
        }
    }
}#启动第fn2节点
docker run -it -d --name fn2 
  -v /home/fn2/nginx.conf:/etc/nginx/nginx.conf 
    -v /home/fn2/renren-vue:/home/fn2/renren-vue --privileged 
      --net=host nginx宿主机/home/fn3/nginx.conf的配置文件
user  nginx;
worker_processes  1;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;
events {
    worker_connections  1024;
}
http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;
    sendfile        on;
    #tcp_nopush     on;
    keepalive_timeout  65;
    #gzip  on;
    
    proxy_redirect          off;
    proxy_set_header        Host $host;
    proxy_set_header        X-Real-IP $remote_addr;
    proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    client_max_body_size    10m;
    client_body_buffer_size   128k;
    proxy_connect_timeout   5s;
    proxy_send_timeout      5s;
    proxy_read_timeout      5s;
    proxy_buffer_size        4k;
    proxy_buffers           4 32k;
    proxy_busy_buffers_size  64k;
    proxy_temp_file_write_size 64k;
    
    server {
        listen 6503;
        server_name  192.168.99.104;
        location  /  {
            root  /home/fn3/renren-vue;
            index  index.html;
        }
    }
}启动fn3节点
 
#启动第fn3节点
docker run -it -d --name fn3 
  -v /home/fn3/nginx.conf:/etc/nginx/nginx.conf 
    -v /home/fn3/renren-vue:/home/fn3/renren-vue --privileged 
      --net=host nginx配置负载均衡
宿主机/home/ff1/nginx.conf配置文件
user  nginx;
worker_processes  1;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;
events {
    worker_connections  1024;
}
http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;
    sendfile        on;
    #tcp_nopush     on;
    keepalive_timeout  65;
    #gzip  on;
    
    proxy_redirect          off;
    proxy_set_header        Host $host;
    proxy_set_header        X-Real-IP $remote_addr;
    proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    client_max_body_size    10m;
    client_body_buffer_size   128k;
    proxy_connect_timeout   5s;
    proxy_send_timeout      5s;
    proxy_read_timeout      5s;
    proxy_buffer_size        4k;
    proxy_buffers           4 32k;
    proxy_busy_buffers_size  64k;
    proxy_temp_file_write_size 64k;
    
    upstream fn {
        server 192.168.99.104:6501;
        server 192.168.99.104:6502;
        server 192.168.99.104:6503;
    }
    server {
        listen       6601;
        server_name  192.168.99.104; 
        location / {  
            proxy_pass   http://fn;
            index  index.html index.htm;  
        }  
    }
}#启动ff1节点
docker run -it -d --name ff1 
  -v /home/ff1/nginx.conf:/etc/nginx/nginx.conf 
    --net=host --privileged nginx宿主机/home/ff2/nginx.conf配置文件
user  nginx;
worker_processes  1;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;
events {
    worker_connections  1024;
}
http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;
    sendfile        on;
    #tcp_nopush     on;
    keepalive_timeout  65;
    #gzip  on;
    
    proxy_redirect          off;
    proxy_set_header        Host $host;
    proxy_set_header        X-Real-IP $remote_addr;
    proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    client_max_body_size    10m;
    client_body_buffer_size   128k;
    proxy_connect_timeout   5s;
    proxy_send_timeout      5s;
    proxy_read_timeout      5s;
    proxy_buffer_size        4k;
    proxy_buffers           4 32k;
    proxy_busy_buffers_size  64k;
    proxy_temp_file_write_size 64k;
    
    upstream fn {
        server 192.168.99.104:6501;
        server 192.168.99.104:6502;
        server 192.168.99.104:6503;
    }
    server {
        listen       6602;
        server_name  192.168.99.104; 
        location / {  
            proxy_pass   http://fn;
            index  index.html index.htm;  
        }  
    }
}#启动ff2节点
docker run -it -d --name ff2 
  -v /home/ff2/nginx.conf:/etc/nginx/nginx.conf 
    --net=host --privileged nginx
配置双机热备
#进入ff1节点
docker exec -it ff1 bash
#更新软件包
apt-get update
#安装VIM
apt-get install vim
#安装Keepalived
apt-get install keepalived
#编辑Keepalived配置文件(如下)
vim /etc/keepalived/keepalived.conf
#启动Keepalived
service keepalived startvrrp_instance VI_1 {
    state MASTER
    interface ens33
    virtual_router_id 52
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 123456
    }
    virtual_ipaddress {
        192.168.99.152
    }
}
virtual_server 192.168.99.151 6701 {
    delay_loop 3
    lb_algo rr
    lb_kind NAT
    persistence_timeout 50
    protocol TCP
    real_server 192.168.99.104 6601 {
        weight 1
    }
}#进入ff1节点
docker exec -it ff2 bash
#更新软件包
apt-get update
#安装VIM
apt-get install vim
#安装Keepalived
apt-get install keepalived
#编辑Keepalived配置文件(如下)
vim /etc/keepalived/keepalived.conf
#启动Keepalived
service keepalived startvrrp_instance VI_1 {
    state MASTER
    interface ens33
    virtual_router_id 52
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 123456
    }
    virtual_ipaddress {
        192.168.99.152
    }
}
virtual_server 192.168.99.151 6701 {
    delay_loop 3
    lb_algo rr
    lb_kind NAT
    persistence_timeout 50
    protocol TCP
    real_server 192.168.99.104 6602 {
        weight 1
    }
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