在Docker容器中部署静态网页的方法教程

2024-09-01 13:52:02

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前言

一般我们在访问容器时需要通过容器的端口来访问，那如何设置容器的端口映射呢？

我们通过以下命令来设置：

docker run -p ip:hostPort:containerPort [--name] [-i] [-t] 镜像名 [COMMAND][ARG...]

ip：表示宿主机ip
hostPort：宿主机端口号
containerPort：容器端口号

设置的方式有以下几种：

containerPort，指定容器端口号,宿主机端口随机生成

[root@localhost ~]# docker run -p 80 --name web_test -i -t 80864d42dd23  hub.c.163.com/library/ubuntu /bin/bash

hostPort：containerPort映射主机端口和容器端口

[root@localhost ~]# docker run -p 8080:80 --name web_test -i -t 80864d42dd23  hub.c.163.com/library/ubuntu /bin/bash

ip::containerPort设置主机的随机端口到容器端口

[root@localhost ~]# docker run -p 0.0.0.0::80 --name web_test -i -t 80864d42dd23  hub.c.163.com/library/ubuntu /bin/bash

ip:hostPort:containerPort映射指定地址的指定端口到容器的指定端口

[root@localhost ~]# docker run -p 0.0.0.0:8080:80 --name web_test -i -t 80864d42dd23  hub.c.163.com/library/ubuntu /bin/bash

下面通过nginx在容器部署静态网页，通过以下步骤

- 创建80映射端口的交互式容器

- 安装nginx

- 安装文本编辑器vim

- 创建静态网页

- 运行nginx

- 验证网页

示例如下（如果安装完ubuntu后不能安装nginx进行apt-get update）:

[root@localhost ~]# docker run -p 80 --name static_test -i -t hub.c.163.com/library/ubuntu /bin/bashroot@25fcbf6e953d:/# apt-get install -y nginxReading package lists... DoneBuilding dependency tree  Reading state information... DoneE: Unable to locate package nginxroot@25fcbf6e953d:/# apt-get update   Get:1 http://archive.ubuntu.com/ubuntu xenial InRelease [247 kB]Get:2 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]**中间日志省略。。。。。。。。。。**                   Fetched 24.9 MB in 9s (2717 kB/s)                                 Reading package lists... Doneroot@25fcbf6e953d:/# apt-get install -y nginxReading package lists... DoneBuilding dependency tree  Reading state information... Done**安装日志省略。。。。。。。。。。**

然后安装vim:

root@25fcbf6e953d:/# apt-get install -y vimReading package lists... DoneBuilding dependency tree  Reading state information... DoneThe following additional packages will be installed:**安装日志省略。。。。。。。。。。**

然后建立存放静态文件的目录，并创建一个简单的html文件：

root@25fcbf6e953d:/# mkdir -p /var/www/htmlroot@25fcbf6e953d:/# root@25fcbf6e953d:/# cd /var/www/html/root@25fcbf6e953d:/var/www/html# vim index.htmlroot@25fcbf6e953d:/var/www/html# ll total 8drwxr-xr-x. 2 root root 53 Mar 13 05:02 ./drwxr-xr-x. 3 root root 17 Mar 13 04:50 ../-rw-r--r--. 1 root root 79 Mar 13 05:02 index.html-rw-r--r--. 1 root root 612 Mar 13 04:51 index.nginx-debian.htmlroot@25fcbf6e953d:/var/www/html# cat index.html <html><body><h1>  this is the first docker static file</h1></body></html>root@25fcbf6e953d:/var/www/html#

找到nginx的安装目录，更改default的root值为刚才创建的目录：

root@25fcbf6e953d:/var/www/html# whereis nginxnginx: /usr/sbin/nginx /etc/nginx /usr/share/nginxroot@25fcbf6e953d:/var/www/html# cd /etc/nginx/sites-enabled/root@25fcbf6e953d:/etc/nginx/sites-enabled# lltotal 4drwxr-xr-x. 2 root root 20 Mar 13 04:51 ./drwxr-xr-x. 6 root root 4096 Mar 13 04:51 ../lrwxrwxrwx. 1 root root 34 Mar 13 04:51 default -> /etc/nginx/sites-available/defaultroot@25fcbf6e953d:/etc/nginx/sites-enabled# vim default

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然后启动nginx,查看容器进程：

root@25fcbf6e953d:/etc/nginx/sites-enabled# nginxroot@25fcbf6e953d:/etc/nginx/sites-enabled# ps -ef UID  PID PPID C STIME TTY   TIME CMDroot   1  0 0 04:48 ?  00:00:00 /bin/bashroot  827  1 0 05:06 ?  00:00:00 nginx: master process nginxwww-data 828 827 0 05:06 ?  00:00:00 nginx: worker processwww-data 829 827 0 05:06 ?  00:00:00 nginx: worker processwww-data 830 827 0 05:06 ?  00:00:00 nginx: worker processwww-data 831 827 0 05:06 ?  00:00:00 nginx: worker processwww-data 832 827 0 05:06 ?  00:00:00 nginx: worker processwww-data 833 827 0 05:06 ?  00:00:00 nginx: worker processwww-data 834 827 0 05:06 ?  00:00:00 nginx: worker processwww-data 835 827 0 05:06 ?  00:00:00 nginx: worker processroot  836  1 0 05:07 ?  00:00:00 ps -efroot@25fcbf6e953d:/etc/nginx/sites-enabled#

然后按ctrl+p,ctrl+q退出交互式容器。

使用Docker ps查看容器的端口和运行情况，也可以通过dcoker port 镜像名查看：

root@localhost ~]# docker psCONTAINER ID  IMAGE       COMMAND     CREATED    STATUS    PORTS     NAMES25fcbf6e953d  hub.c.163.com/library/ubuntu "/bin/bash"    18 minutes ago  Up 18 minutes  0.0.0.0:32772->80/tcp static_test[root@localhost ~]# docker port static_test80/tcp -> 0.0.0.0:32772[root@localhost ~]#

可以看到容器的80端口映射到注解的32772端口。

通过curl访问创建的index.html文件：

[root@localhost ~]# curl http://127.0.0.1:32772/index.html<html><body><h1>  this is the first docker static file</h1></body></html>[root@localhost ~]#

也可以通过docker inspect 容器名来查看容器的详细信息和ip

通过容器ip进行访问：

[root@localhost ~]# docker inspect static_test其他信息省略"IPAddress": "172.17.0.5",

[root@localhost ~]# curl http://172.17.0.5/index.html<html><body><h1>  this is the first docker static file</h1></body></html>[root@localhost ~]#

当我们使用docker stop 容器名停止这个容器后，再使用docker start 容器名启动容器后，里面的nginx并没有启动。那么我们使用docker exec 容器名 nginx来启动：

[root@localhost ~]# docker stop static_teststatic_test[root@localhost ~]# docker ps CONTAINER ID  IMAGE       COMMAND     CREATED    STATUS    PORTS     NAMESb4f32bbe4a34  hub.c.163.com/library/ubuntu "/bin/bash"    41 hours ago  Up 41 hours         loving_brattaind75a2d8c7822  xingguo/df_test1    "nginx -g 'daemon off" 2 days ago   Up 2 days   0.0.0.0:32770->80/tcp df_nginx_web959c0fc5d903  xingguo/commit_test1   "nginx -g 'daemon off" 2 days ago   Up 2 days   0.0.0.0:32769->80/tcp nginx_test[root@localhost ~]# docker start static_teststatic_test[root@localhost ~]# docker ps CONTAINER ID  IMAGE       COMMAND     CREATED    STATUS    PORTS     NAMES25fcbf6e953d  hub.c.163.com/library/ubuntu "/bin/bash"    29 minutes ago  Up 2 seconds  0.0.0.0:32773->80/tcp static_testb4f32bbe4a34  hub.c.163.com/library/ubuntu "/bin/bash"    41 hours ago  Up 41 hours         loving_brattaind75a2d8c7822  xingguo/df_test1    "nginx -g 'daemon off" 2 days ago   Up 2 days   0.0.0.0:32770->80/tcp df_nginx_web959c0fc5d903  xingguo/commit_test1   "nginx -g 'daemon off" 2 days ago   Up 2 days   0.0.0.0:32769->80/tcp nginx_test[root@localhost ~]# docker top static_testUID     PID     PPID    C     STIME    TTY     TIME    CMDroot    4719    4702    0     13:17    pts/2    00:00:00   /bin/bash[root@localhost ~]# docker exec static_test nginx[root@localhost ~]# docker top static_testUID     PID     PPID    C     STIME    TTY     TIME    CMDroot    4719    4702    0     13:17    pts/2    00:00:00   /bin/bashroot    4800    1     0     13:18    ?     00:00:00   nginx: master process nginxamandab+   4801    4800    0     13:18    ?     00:00:00   nginx: worker processamandab+   4802    4800    0     13:18    ?     00:00:00   nginx: worker processamandab+   4803    4800    0     13:18    ?     00:00:00   nginx: worker processamandab+   4804    4800    0     13:18    ?     00:00:00   nginx: worker processamandab+   4805    4800    0     13:18    ?     00:00:00   nginx: worker processamandab+   4806    4800    0     13:18    ?     00:00:00   nginx: worker processamandab+   4807    4800    0     13:18    ?     00:00:00   nginx: worker processamandab+   4808    4800    0     13:18    ?     00:00:00   nginx: worker process[root@localhost ~]#

总结

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