Docker构建镜像-commit

2015-03-22

docker commit

先创建一个容器，并在容器里做出修改,最后commit修改
类似github的使用
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➜  ~ docker run -i -t --name test-docker-commit debian /bin/bash
root@8b20759d9e60:/#
root@8b20759d9e60:/# apt-get -yqq update
root@8b20759d9e60:/# apt-get -yqq install ipython
commit修改

root@8b20759d9e60:/# exit
exit
➜  ~ docker commit test-docker-commit debian/ipython
sha256:dd7440e1f33791270b82010396b02b8522899619f9336bc998835733b988cd76

查看新创建的镜像

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➜  ~ docker images debian/ipython
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
debian/ipython      latest              dd7440e1f337        2 minutes ago       173.9 MB

可通过docker inspect查看镜像详细详细

➜  ~ docker inspect debian/ipython:v1
[
    {
        "Id": "sha256:05fc24b025ad3ad61a121785e53e7748cfd415b6fbb0aad630ae5844e4bd5607",
        "RepoTags": [
            "debian/ipython:v1"
        ],
        "RepoDigests": [],
        "Parent": "sha256:1b01529cc499d51767c62f9fc8083043610546b4e050898809ec54e00dbb1a34",
        "Comment": "base image is debian",
        "Created": "2016-08-25T05:54:03.366052897Z",
        "Container": "8b20759d9e601a78a1baa8441238297e35a51c95b35fb17f3a1e6399cb540f1a",
        "ContainerConfig": {
            "Hostname": "8b20759d9e60",
            "Domainname": "",
………………………………

docker commit 的一些参数

➜  ~ docker commit --help
Usage:	docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
Create a new image from a container's changes
Options:
  -a, --author string    Author (e.g., "John Hannibal Smith <hannibal@a-team.com>")
  -c, --change value     Apply Dockerfile instruction to the created image (default [])
      --help             Print usage
  -m, --message string   Commit message
  -p, --pause            Pause container during commit (default true)
➜  ~