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README.md: fix examples

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Signed-off-by: Antonio Murdaca <runcom@redhat.com>
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Antonio Murdaca
2016-06-07 18:26:57 +02:00
parent 9c4ceeb147
commit fb236c85af
1 changed files with 25 additions and 28 deletions
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README.md
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@@ -1,7 +1,7 @@
skopeo [![Build Status](https://travis-ci.org/projectatomic/skopeo.svg?branch=master)](https://travis-ci.org/projectatomic/skopeo)
=
_Please be aware `skopeo` is still work in progress_
_Please be aware `skopeo` is still work in progress and it currently supports only registry API V2_
`skopeo` is a command line utility which is able to _inspect_ a repository on a Docker registry and fetch images layers.
By _inspect_ I mean it fetches the repository's manifest and it is able to show you a `docker inspect`-like
@@ -10,38 +10,35 @@ a repository or a tag before pulling it (using disk space) - e.g. - which tags a
Examples:
```sh
# show repository's labels of rhel7:latest
$ skopeo inspect docker://registry.access.redhat.com/rhel7 | jq '.Config.Labels'
# show properties of fedora:latest
$ skopeo inspect docker://docker.io/fedora
{
"Architecture": "x86_64",
"Authoritative_Registry": "registry.access.redhat.com",
"BZComponent": "rhel-server-docker",
"Build_Host": "rcm-img04.build.eng.bos.redhat.com",
"Name": "rhel7/rhel",
"Release": "38",
"Vendor": "Red Hat, Inc.",
"Version": "7.2"
"Name": "docker.io/library/fedora",
"Tag": "latest",
"Digest": "sha256:cfd8f071bf8da7a466748f522406f7ae5908d002af1b1a1c0dcf893e183e5b32",
"RepoTags": [
"20",
"21",
"22",
"23",
"heisenbug",
"latest",
"rawhide"
],
"Created": "2016-03-04T18:40:02.92155334Z",
"DockerVersion": "1.9.1",
"Labels": {},
"Architecture": "amd64",
"Os": "linux",
"Layers": [
"sha256:236608c7b546e2f4e7223526c74fc71470ba06d46ec82aeb402e704bfdee02a2",
"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"
]
}
# show repository's tags
$ skopeo inspect docker://docker.io/fedora | jq '.RepoTags'
[
"20",
"21",
"22",
"23",
"heisenbug",
"latest",
"rawhide"
]
# show image's digest
# show unverifed image's digest
$ skopeo inspect docker://docker.io/fedora:rawhide | jq '.Digest'
"sha256:905b4846938c8aef94f52f3e41a11398ae5b40f5855fb0e40ed9c157e721d7f8"
# show image's label "Name"
$ skopeo inspect docker://registry.access.redhat.com/rhel7 | jq '.Config.Labels.Name'
"rhel7/rhel"
```
Private registries with authentication