.nh
.TH skopeo-inspect(1)
.SH NAME
.PP
skopeo-inspect - Return low-level information about \fIimage-name\fP in a registry.

.SH SYNOPSIS
.PP
\fBskopeo inspect\fP [\fIoptions\fP] \fIimage-name\fP

.SH DESCRIPTION
.PP
Return low-level information about \fIimage-name\fP in a registry.
See skopeo(1) for the format of \fIimage-name\fP\&.

.PP
The default output includes data from various sources: user input (\fBName\fP), the remote repository, if any (\fBRepoTags\fP), the top-level manifest (\fBDigest\fP),
and a per-architecture/OS image matching the current run-time environment (most other values).
To see values for a different architecture/OS, use the \fB--override-os\fP / \fB--override-arch\fP options documented in skopeo(1).

.SH OPTIONS
.PP
See also skopeo(1) for options placed before the subcommand name.

.PP
\fB--authfile\fP \fIpath\fP

.PP
Path of the authentication file. Default is ${XDG_RUNTIME_DIR}/containers/auth.json, which is set using \fBskopeo login\fR\&.
If the authorization state is not found there, $HOME/.docker/config.json is checked, which is set using \fBdocker login\fR\&.

.PP
\fB--cert-dir\fP \fIpath\fP

.PP
Use certificates at \fIpath\fP (*\&.crt, *\&.cert, *\&.key) to connect to the registry.

.PP
\fB--config\fP

.PP
Output configuration in OCI format, default is to format in JSON format.

.PP
\fB--creds\fP \fIusername[:password]\fP

.PP
Username and password for accessing the registry.

.PP
\fB--daemon-host\fP \fIhost\fP

.PP
Use docker daemon host at \fIhost\fP (\fBdocker-daemon:\fR transport only)

.PP
\fB--format\fP, \fB-f\fP=\fIformat\fP

.PP
Format the output using the given Go template.
The keys of the returned JSON can be used as the values for the --format flag (see examples below).
Supports the Go templating functions available at https://pkg.go.dev/github.com/containers/common/pkg/report#hdr-Template_Functions

.PP
\fB--help\fP, \fB-h\fP

.PP
Print usage statement

.PP
\fB--no-creds\fP

.PP
Access the registry anonymously.

.PP
\fB--raw\fP

.PP
Output raw manifest or config data depending on --config option.
The --format option is not supported with --raw option.

.PP
\fB--registry-token\fP \fIBearer token\fP

.PP
Registry token for accessing the registry.

.PP
\fB--retry-times\fP

.PP
The number of times to retry; retry wait time will be exponentially increased based on the number of failed attempts.

.PP
\fB--shared-blob-dir\fP \fIdirectory\fP

.PP
Directory to use to share blobs across OCI repositories.

.PP
\fB--tls-verify\fP=\fIbool\fP

.PP
Require HTTPS and verify certificates when talking to the container registry or daemon. Default to registry.conf setting.

.PP
\fB--username\fP

.PP
The username to access the registry.

.PP
\fB--password\fP

.PP
The password to access the registry.

.PP
\fB--no-tags\fP, \fB-n\fP

.PP
Do not list the available tags from the repository in the output. When \fBtrue\fR, the \fBRepoTags\fR array will be empty.  Defaults to \fBfalse\fR, which includes all available tags.

.SH EXAMPLES
.PP
To review information for the image fedora from the docker.io registry:

.EX
$ skopeo inspect docker://docker.io/fedora

{
    "Name": "docker.io/library/fedora",
    "Digest": "sha256:f99efcddc4dd6736d8a88cc1ab6722098ec1d77dbf7aed9a7a514fc997ca08e0",
    "RepoTags": [
        "20",
        "21",
        "..."
    ],
    "Created": "2022-11-16T07:26:42.618327645Z",
    "DockerVersion": "20.10.12",
    "Labels": {
        "maintainer": "Clement Verna \\u003ccverna@fedoraproject.org\\u003e"
    },
    "Architecture": "amd64",
    "Os": "linux",
    "Layers": [
        "sha256:cb8b1ed77979b894115a983f391465651aa7eb3edd036be4b508eea47271eb93"
    ],
    "LayersData": [
        {
            "MIMEType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
            "Digest": "sha256:cb8b1ed77979b894115a983f391465651aa7eb3edd036be4b508eea47271eb93",
            "Size": 65990920,
            "Annotations": null
        }
    ],
    "Env": [
        "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
        "DISTTAG=f37container",
        "FGC=f37",
        "FBR=f37"
    ]
}

.EE

.PP
To inspect python from the docker.io registry and not show the available tags:

.EX
$ skopeo inspect --no-tags docker://docker.io/library/python
{
    "Name": "docker.io/library/python",
    "Digest": "sha256:10fc14aa6ae69f69e4c953cffd9b0964843d8c163950491d2138af891377bc1d",
    "RepoTags": [],
    "Created": "2022-11-16T06:55:28.566254104Z",
    "DockerVersion": "20.10.12",
    "Labels": null,
    "Architecture": "amd64",
    "Os": "linux",
    "Layers": [
        "sha256:a8ca11554fce00d9177da2d76307bdc06df7faeb84529755c648ac4886192ed1",
        "sha256:e4e46864aba2e62ba7c75965e4aa33ec856ee1b1074dda6b478101c577b63abd",
        "..."
    ],
    "LayersData": [
        {
            "MIMEType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
            "Digest": "sha256:a8ca11554fce00d9177da2d76307bdc06df7faeb84529755c648ac4886192ed1",
            "Size": 55038615,
            "Annotations": null
        },
        {
            "MIMEType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
            "Digest": "sha256:e4e46864aba2e62ba7c75965e4aa33ec856ee1b1074dda6b478101c577b63abd",
            "Size": 5164893,
            "Annotations": null
        },
        "..."
    ],
    "Env": [
        "PATH=/usr/local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
        "LANG=C.UTF-8",
        "...",
    ]
}

.EE

.EX
$ /bin/skopeo inspect --config docker://registry.fedoraproject.org/fedora --format "{{ .Architecture }}"
amd64

.EE

.EX
$ /bin/skopeo inspect --format '{{ .Env }}' docker://registry.access.redhat.com/ubi8
[PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin container=oci]

.EE


.SH SEE ALSO
.PP
skopeo(1), skopeo-login(1), docker-login(1), containers-auth.json(5)

.SH AUTHORS
.PP
Antonio Murdaca runcom@redhat.com
\[la]mailto:runcom@redhat.com\[ra], Miloslav Trmac mitr@redhat.com
\[la]mailto:mitr@redhat.com\[ra], Jhon Honce jhonce@redhat.com
\[la]mailto:jhonce@redhat.com\[ra]