一.简介
Bind mounts and named volumes are the two main types of volumes that come with the Docker engine.
|
Named Volumes |
Bind Mounts |
| Host Location |
Docker chooses |
You control |
Mount Example (using -v) |
my-volume:/usr/local/data |
/path/to/data:/usr/local/data |
| Populates new volume with container contents |
Yes |
No |
| Supports Volume Drivers |
Yes |
No |
二.示例
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| 创建镜像
docker build -t myupi .
挂载volume //容器内的文件夹不存在，docker会自动创建
docker run -d -p 12000:12000 --name upi -v /datatest/file:/filetest myupi
进入容器
docker exec -it 71d bash
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/datatest/file和/filetest两个目录内的文件共享，其中一个改变另一个跟着改变（如果理解挂载的话，这句话就是废话）
三.docker -p
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| -p 8080:80 Bind host’s port 8080 to container’s TCP port 80
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参考：https://docs.docker.com/get-started/06_bind_mounts/