Image and Container Metadata: Difference between revisions

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==VirtualSize==
==VirtualSize==
For an image, the size of the image in bytes.


==GraphDriver==
==GraphDriver==

Revision as of 18:16, 5 December 2017

Internal

Overview

Generated with docker inspect, in the form of a JSON array.

TODO: differences between a container and an image metadata.

Elements

Id

For images, the unique identifier of the images.

For containers, the unique identifier of the container.

"Id": "sha256:6902f4d604b94bddc603cba267ac61fb86c7602d121fa7cdd0c1f2526897a32e"

Parent

For images, the identifier of the parent image. Containers do not have parents.

RepoTags

"RepoTags": [ "registry.access.redhat.com/rhscl/postgresql-95-rhel7:latest" ]

RepoDigests

"RepoDigests": [ "registry.access.redhat.com/rhscl/postgresql-95-rhel7@sha256:33888776920331bc37ae17692bac043210305aa35ed444cf5eded89f8311d0d7"  ]

Comment

Created

"Created": "2017-11-22T15:23:09.730226Z"

Container

For an image, it may contain the identifier of the temporary container created when the image was built. Docker will create a container during the image construction process, and its identifier will be stored in the image metadata.

ContainerConfig

For an image, it refers to the temporary container created when the docker build command was executed.

Hostname

Domainname

User

AttachStdin

AttachStdout

AttachStderr

ExposedPorts

Tty

OpenStdin

StdinOnce

Env

Cmd

ArgsEscaped

Image

Volumes

WorkingDir

Entrypoint

OnBuild

Labels

DockerVersion

For an image, it contains the version of Docker used to create the image.

Author

Config

Hostname

Domainname

User

AttachStdin

AttachStdout

AttachStderr

ExposedPorts

Tty

OpenStdin

StdinOnce

Env

Cmd

ArgsEscaped

Image

Volumes

WorkingDir

Entrypoint

OnBuild

Labels

Architecture

Os

Size

VirtualSize

For an image, the size of the image in bytes.

GraphDriver

RootFS

Type

"Type": "layers"

Layers

[
  "sha256:e1d829eddb62dc49f1c56dbf8acd0c71299b3996115399de853a9d66d81b822f",
  "sha256:02404b4d7e5d89b1383ca346b4462b199128aa4b238c5a2b2c186004ac148ba8",
  "sha256:808f296bc8ac99056e0cbba79e2b253fff2c3c963927be1a9acd182bbc90538e"
]