docker commit
时间: 2023-08-19 22:15:20 浏览: 42
docker commit是一个Docker命令,用于将容器保存为新的镜像。通过执行docker commit命令,可以将容器的当前状态保存为一个新的镜像,并可以添加提交人信息和说明信息。例如,执行以下命令可以将容器c162we1ycy2k保存为新的镜像exp_mysql:v1,并添加提交人信息为"test_exp",说明信息为"test apache":docker commit -a "test_exp" -m "test apache" c162we1ycy2k exp_mysql:v1。[2][3]
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docker commit
Docker commit is a command used to create a new image from the changes made to a running container. It allows you to capture the current state of a container and save it as a new image, which can be used to create new containers or share with others. The syntax for the `docker commit` command is as follows:
```
docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
```
Here, the `CONTAINER` parameter specifies the name or ID of the container you want to commit. The `REPOSITORY` parameter is optional and allows you to specify a name for the new image. The `TAG` parameter is also optional and can be used to assign a specific tag to the image.
Some common options that can be used with the `docker commit` command include:
- `-a, --author`: Sets the author metadata for the new image.
- `-c, --change`: Apply Dockerfile instruction during the commit process.
- `-m, --message`: Sets a commit message for the new image.
- `-p, --pause`: Pauses the container during the commit process.
For example, to create a new image from a container with ID "abcd1234" and name it "myimage:v1", you can use the following command:
```
docker commit abcd1234 myimage:v1
```
Please note that using Dockerfiles and building images with declarative instructions is generally recommended over using `docker commit` for better reproducibility and maintainability.
docker commit格式
Docker commit命令用于创建一个新的镜像,该镜像是从运行中的容器快照生成的。它的格式如下:
```
docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
```
其中,`CONTAINER`是运行中的容器的ID或名称。`REPOSITORY`是新镜像的仓库名,`TAG`是新镜像的标签。
以下是常用的选项:
- `-a, --author`: 设置新镜像的作者信息
- `-c, --change`: 应用 Dockerfile 指令来创建新镜像
- `-m, --message`: 提供一个提交信息来描述新镜像的变更
举个例子,如果要将容器ID为`abc123`的容器创建为一个名为`myimage`的新镜像,可以使用以下命令:
```
docker commit abc123 myimage
```