1台Nginx最新版本的Docker容器,3台Tomcat8的Docker容器
如果不是最新版的Docker的话,如果版本差别太大的话,可能会出问题,所以大家要把Docker升级到最新版,或者直接安装最新版。 可以参考:Centos7-Docker卸载旧的更新到新版本
准备镜像:
1、tomcat
2、nginx
拉取相应的对象:
[root@zh ~]# docker pull tomcat:jdk8-adoptopenjdk-hotspot
[root@zh ~]# docker pull nginx:latest
[root@zh ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
mysql 5.7.29 d5cea958d330 40 hours ago 440MB
tomcat jdk8-adoptopenjdk-hotspot ae9ec2a81228 10 days ago 324MB
nginx latest 2073e0bcb60e 2 weeks ago 127MB
[root@zh ~]#
启动Tomcat:
[root@zh ~]# docker run -d -p 8081:8080 --name myt1 --privileged=true ae9ec2a81228
[root@zh ~]# docker run -d -p 8082:8080 --name myt2 --privileged=true ae9ec2a81228
[root@zh ~]# docker run -d -p 8083:8080 --name myt3 --privileged=true ae9ec2a81228
正在运行的结果:
[root@zh ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
c33dde60b4ac ae9ec2a81228 "catalina.sh run" 7 hours ago Up 7 hours 0.0.0.0:8083->8080/tcp myt3
9397416d13b0 ae9ec2a81228 "catalina.sh run" 7 hours ago Up 7 hours 0.0.0.0:8082->8080/tcp myt2
bf6b880e1398 ae9ec2a81228 "catalina.sh run" 7 hours ago Up 7 hours 0.0.0.0:8081->8080/tcp myt1
[root@zh ~]#
启动Nginx:
在启动之前呢有必要跟大家说一下:
因为后来咱们需要编辑nginx的配置文件,也为了后来咱们好看日志文件,咱们可以做一个配置文件的映射
首先呢,准备文件:
[root@zh ~]# mkdir /data/nginx/
[root@zh ~]# mkdir /data/nginx/conf/
[root@zh ~]# mkdir /data/nginx/logs/
[root@zh ~]# touch /data/nginx/conf/nginx.conf
然后我们先把配置文件nginx.conf配置好:
# For more information on configuration, see:
# * Official English Documentation: http://nginx.org/en/docs/
# * Official Russian Documentation: http://nginx.org/ru/docs/
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;
# Load dynamic modules. See /usr/share/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;
events {
worker_connections 1024;
}
http {
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;
"/data/nginx/conf/nginx.conf" 68L, 1836C
# For more information on configuration, see:
# * Official English Documentation: http://nginx.org/en/docs/
# * Official Russian Documentation: http://nginx.org/ru/docs/
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;
# Load dynamic modules. See /usr/share/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;
events {
worker_connections 1024;
}
http {
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;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
include /etc/nginx/mime.types;
default_type application/octet-stream;
# Load modular configuration files from the /etc/nginx/conf.d directory.
# See http://nginx.org/en/docs/ngx_core_module.html#include
# for more information.
include /etc/nginx/conf.d/*.conf;
server {
listen 80 default_server;
listen [::]:80 default_server;
server_name 182.254.161.54;
root /usr/share/nginx/html;
# Load configuration files for the default server block.
include /etc/nginx/default.d/*.conf;
location / {
proxy_pass http://pic;
}
error_page 404 /404.html;
location = /40x.html {
}
error_page 500 502 503 504 /50x.html;
location = /50x.html {
}
}
upstream pic{
server sdgzs.net:8081 weight=5;
server sdgzs.net:8082 weight=5;
server sdgzs.net:8083 weight=5;
}
}
重点是修改:
upstream pic{
server ip:port weight=5;
server ip:port weight=5;
server ip:port weight=5;
}
如果不知道ip的话,可以利用下面的命令查看:
查看所有的ip地址
[root@zh ~]# docker inspect $(docker ps -qa) | grep IPAddress
"SecondaryIPAddresses": null,
"IPAddress": "172.17.0.5",
"IPAddress": "172.17.0.5",
"SecondaryIPAddresses": null,
"IPAddress": "",
"IPAddress": "",
"SecondaryIPAddresses": null,
"IPAddress": "172.17.0.4",
"IPAddress": "172.17.0.4",
"SecondaryIPAddresses": null,
"IPAddress": "172.17.0.3",
"IPAddress": "172.17.0.3",
"SecondaryIPAddresses": null,
"IPAddress": "172.17.0.2",
"IPAddress": "172.17.0.2",
"SecondaryIPAddresses": null,
"IPAddress": "",
"IPAddress": "",
You have mail in /var/spool/mail/root
[root@zh ~]# docker inspect $(docker ps -qa) | grep Name
"Name": "/myng3",
"Name": "no",
"Name": "overlay2"
"Name": "/myng1",
"Name": "no",
"Name": "overlay2"
"Name": "/myt3",
"Name": "no",
"Name": "overlay2"
"Name": "/myt2",
"Name": "no",
"Name": "overlay2"
"Name": "/myt1",
"Name": "no",
"Name": "overlay2"
"Name": "/vigilant_lamarr",
"Name": "no",
"Name": "overlay2"
[root@zh ~]#
启动nginx
[root@zh ~]# docker run --name myng3 -d -p 8889:80 -v /data/nginx/conf/nginx.conf:/etc/nginx/nginx.conf -v /data/nginx/logs:/var/log/nginx -d 2073e0bcb60e
[root@zh ~]# docker cp ~/test.war myt1:/usr/local/tomcat/webapps/
[root@zh ~]# docker cp ~/test.war myt2:/usr/local/tomcat/webapps/
[root@zh ~]# docker cp ~/test.war myt3:/usr/local/tomcat/webapps/
注意:test.war是我创建的一个javaweb的项目,利用maven然后打包成