docker安装_进入容器修改nginx.conf配置文件_宿主主机挂载（nginx举例） - 好文

前言

1、docker安装Nginx

1.1、观察nginx是否可下载
healerjean$ docker search nginx
1.2、开始安装
healerjean$ docker pull nginx
2、先运行这个nginx
healerjean$ docker run -it -p 80:80 nginx
3.1、查看这个nginx的容器id号
docker ps healerjean$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS
PORTS NAMES9fbe362214a6 nginx "nginx -g 'daemon of…" Less than a second ago Up 2
seconds 0.0.0.0:80->80/tcp objective_chandrasekhar healerjean$
2、进入这个容器

2.1、docker exec ：在运行的容器中执行命令
-d :分离模式: 在后台运行 -i :即使没有附加也保持STDIN（标准输入）打开,以交互模式运行容器，通常与 -t 同时使用； -t:
为容器重新分配一个伪输入终端，通常与 -i 同时使用；  docker exec -it 9fbe362214a6 /bin/bash docker exec
-it9fbe362214a6 /bin/bash healerjean$ docker exec -it 9fbe362214a6 /bin/bash
root@9fbe362214a6:/# ls -l total 64 drwxr-xr-x 2 root root 4096 Jul 16 00:00
bin drwxr-xr-x2 root root 4096 Jun 26 12:03 boot drwxr-xr-x 5 root root 360 Aug
15 10:12 dev drwxr-xr-x 1 root root 4096 Aug 15 10:12 etc drwxr-xr-x 2 root root
4096 Jun 26 12:03 home drwxr-xr-x 1 root root 4096 Jul 16 00:00 lib drwxr-xr-x 2
root root4096 Jul 16 00:00 lib64 drwxr-xr-x 2 root root 4096 Jul 16 00:00
media drwxr-xr-x2 root root 4096 Jul 16 00:00 mnt drwxr-xr-x 2 root root 4096
Jul 16 00:00 opt dr-xr-xr-x 185 root root 0 Aug 15 10:12 proc drwx------ 2 root
root4096 Jul 16 00:00 root drwxr-xr-x 1 root root 4096 Aug 15 10:12 run
drwxr-xr-x2 root root 4096 Jul 16 00:00 sbin drwxr-xr-x 2 root root 4096 Jul 16
00:00 srv dr-xr-xr-x 13 root root 0 Aug 15 10:12 sys drwxrwxrwt 1 root root 4096
Jul 24 17:21 tmp drwxr-xr-x 1 root root 4096 Jul 16 00:00 usr drwxr-xr-x 1 root
root4096 Jul 16 00:00 var root@9fbe362214a6:/# cd /etc/nginx/conf.d/ root
@9fbe362214a6:/etc/nginx/conf.d# ls -l total 4 -rw-r--r-- 1 root root 1093 Jul
24 13:02 default.conf
3、docker cp

3.1、将容器29df10f32d44:/etc/nginx/nginx.conf 目录拷贝到主机/Users/healerjean/Desktop目录下
:~ healerjean$ docker cp 29df10f32d44:/etc/nginx/nginx.conf
/Users/healerjean/Desktop
3.2、将主机/Users/healerjean/Desktop/AAA.md 拷贝到容器29df10f32d44:/etc/nginx/中
docker cp /Users/healerjean/Desktop/AAA.md 29df10f32d44:/etc/nginx/ :~
healerjean$ docker cp /Users/healerjean/Desktop/AAA.md 29df10f32d44:/etc/nginx/
:~ healerjean$ docker exec -it 29df10f32d44 /bin/bash root@29df10f32d44:/# cd
/etc/nginx/ root@29df10f32d44:/etc/nginx# ls -l total 44 -rw-r--r-- 1 501
dialout1519 Jul 27 08:08 AAA.md drwxr-xr-x 1 root root 4096 Aug 28 07:10 conf.d
-rw-r--r--1 root root 1007 Jul 24 13:02 fastcgi_params -rw-r--r-- 1 root root
2837 Jul 24 13:02 koi-utf -rw-r--r-- 1 root root 2223 Jul 24 13:02 koi-win
-rw-r--r--1 root root 5231 Jul 24 13:02 mime.types lrwxrwxrwx 1 root root 22 Jul
24 13:02 modules -> /usr/lib/nginx/modules -rw-r--r-- 1 root root 643 Jul 24 13:
02 nginx.conf -rw-r--r-- 1 root root 636 Jul 24 13:02 scgi_params -rw-r--r-- 1
root root664 Jul 24 13:02 uwsgi_params -rw-r--r-- 1 root root 3610 Jul 24 13:02
win-utf root@29df10f32d44:/etc/nginx#
4、 -v 挂在本地目录到容器中

4.1、建议启动的时候挂载：:ro 表示分配给只读权限（这样容器就可以使用宿主主机的目录了）
docker run -p 80:80 -v /Users/healerjean/Desktop:/usr/local/mynginx:ro -d nginx
JeandeMBP:~ healerjean$ docker run -p 80:80 -it -v /Users/healerjean/Desktop
:/usr/local/mynginx:ro -d nginx
f3a39301086b999f4bcd9ccddcd83672007be0280889c3f4f0c1fc6bc45b0db4JeandeMBP:~
healerjean$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
f3a39301086b nginx"nginx -g 'daemon of…" 2 seconds ago Up 7 seconds 0.0.0.0:80->
80/tcp sharp_varahamihira JeandeMBP:~ healerjean$ docker exec -it f3a39301086b
/bin/bash root@f3a39301086b:/# cd /usr/local/mynginx/ root@f3a39301086b
:/usr/local/mynginx# ls -l total 35824 -rw-r--r-- 1 root root 19915 Jan 25 2018
1???.docx -rw-r--r-- 1 root root 18885250 Aug 28 06:58 2018-07.xlsx -rw-r--r-- 1
root root17711506 Aug 28 06:55 2018-08.xlsx -rw-r--r-- 1 root root 1519 Jul 27
08:08 AAA.md -rw-r--r-- 1 root root 0 Jul 17 09:05 AAA.sql -rw-r--r-- 1 root
root0 Jul 26 09:22 AAAAA.txt -rw-r--r-- 1 root root 972 Mar 8 10:56 DDKJ
-rw-r--r--1 root root 671 Aug 11 07:00 HttpHelper.java -rw-r--r-- 1 root root
936 Mar 6 06:43 _posts -rw-r--r-- 1 root root 1542 Aug 24 09:01 default
drwxr-xr-x4 root root 136 Aug 16 07:42 images drwx------ 20 root root 680 Aug 28
03:21 study drwxr-xr-x 15 root root 510 Aug 20 11:11 workspace drwxr-xr-x 23
root root782 Aug 2 03:59 youhui-h5 root@f3a39301086b:/usr/local/mynginx#

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