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docker中的命令（六）

news 2025/9/2 7:49:24

目录

docker中的命令

1.将宿主机的文件拷贝到容器中

2.将文件从容器到容器拷贝

3.拷贝目录

4.容器卷

docker中的命令

1.将宿主机的文件拷贝到容器中

docker cp 宿主机文件路径容器名:容器内想要放置的路径

创建index.html文件
1. echo "hello world !!! (@v.v@)--> !!!!" > index.html
查看文件内容
1. cat index.html

进入目标容器

docker exec -it nginx1.29 /bin/bash

查看index.html中的内容

cat /usr/share/nginx/html/index.html

root@084cd2ceb86c:/# cat /usr/share/nginx/html/index.html
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
html { color-scheme: light dark; }
body { width: 35em; margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif; }
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p><p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p><p><em>Thank you for using nginx.</em></p>
</body>
</html>
root@084cd2ceb86c:/# exit      
exit

将目标文件复制到目标容器内部
1. docker cp 宿主机文件路径容器名:容器内想要放置的路径
  1. docker cp ./index.html nginx1.29:/usr/share/nginx/html/index.html
  3. ```
  [root@localhost ~]# docker cp ./index.html nginx1.29:/usr/share/nginx/html/index.html
  Successfully copied 2.05kB to nginx1.29:/usr/share/nginx/html/index.html
```
  1
刷新访问的nginx主页
2. 页面内容已经发生了变化，说明已经成功拷贝进入容器