创建数据卷j1 并将jar放入卷中

创建java的容器

docker run -it -d —name java1 -v j1:/home/soft —net=host java

名称叫java1的容器
j1 数据卷 映射到容器的目录/home/soft

进入容器

docker exec -it java1 bash

非后台运行：nohup java -jar /home/soft/renren-fast.jar

http://10.211.55.3:6001/renren-fast/swagger/index.html

获取nginx负载均衡

docker pull nginx

在宿主机中目录/home/n1/ 上传nginx.conf，这样方便映射到容器内的配置

启动第1个nginx节点

docker run -it -d --name n1 -v /home/n1/nginx.conf:/etc/nginx/nginx.conf --net=host --privileged nginx

容器运行，代表nginx也被启动了

查看nginx
http://10.211.55.3:6101/renren-fast/swagger/index.html

创建第2个Nginx节点
在宿主机中目录/home/n2/ 上传nginx.conf，这样方便映射到容器内的配置

docker run -it -d --name n2 -v /home/n2/nginx.conf:/etc/nginx/nginx.conf --net=host --privileged nginx

双机热备方案

进入到nginx n1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 start

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 {
        10.211.55.189
    }
}
virtual_server 10.211.55.189 6201 {
    delay_loop 3
    lb_algo rr
    lb_kind NAT
    persistence_timeout 50
    protocol TCP
    real_server 10.211.55.3 6101 {
        weight 1
    }
}

ping 10.211.55.189

进入到nginx n2容器 安装keepalived

#进入n2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 start

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 {
        10.211.55.189
    }
}
virtual_server 10.211.55.189 6201 {
    delay_loop 3
    lb_algo rr
    lb_kind NAT
    persistence_timeout 50
    protocol TCP
    real_server 10.211.55.3 6102 {
        weight 1
    }
}