mirror of https://github.com/docker/cli.git
124 lines
5.1 KiB
Markdown
124 lines
5.1 KiB
Markdown
# push
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<!---MARKER_GEN_START-->
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Upload an image to a registry
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### Aliases
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`docker image push`, `docker push`
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### Options
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| Name | Type | Default | Description |
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|:---------------------------------------------|:---------|:--------|:--------------------------------------------------------------------------------------------------------------------------------------------|
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| [`-a`](#all-tags), [`--all-tags`](#all-tags) | | | Push all tags of an image to the repository |
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| `--disable-content-trust` | `bool` | `true` | Skip image signing |
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| `--platform` | `string` | | Push a platform-specific manifest as a single-platform image to the registry.<br>'os[/arch[/variant]]': Explicit platform (eg. linux/amd64) |
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| `-q`, `--quiet` | | | Suppress verbose output |
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<!---MARKER_GEN_END-->
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## Description
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Use `docker image push` to share your images to the [Docker Hub](https://hub.docker.com)
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registry or to a self-hosted one.
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Refer to the [`docker image tag`](image_tag.md) reference for more information
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about valid image and tag names.
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Killing the `docker image push` process, for example by pressing `CTRL-c` while it is
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running in a terminal, terminates the push operation.
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Progress bars are shown during docker push, which show the uncompressed size.
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The actual amount of data that's pushed will be compressed before sending, so
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the uploaded size will not be reflected by the progress bar.
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Registry credentials are managed by [docker login](login.md).
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### Concurrent uploads
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By default the Docker daemon will push five layers of an image at a time.
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If you are on a low bandwidth connection this may cause timeout issues and you may want to lower
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this via the `--max-concurrent-uploads` daemon option. See the
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[daemon documentation](https://docs.docker.com/reference/cli/dockerd/) for more details.
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## Examples
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### Push a new image to a registry
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First save the new image by finding the container ID (using [`docker container
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ls`](container_ls.md)) and then committing it to a new image name. Note that
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only `a-z0-9-_.` are allowed when naming images:
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```console
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$ docker container commit c16378f943fe rhel-httpd:latest
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```
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Now, push the image to the registry using the image ID. In this example the
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registry is on host named `registry-host` and listening on port `5000`. To do
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this, tag the image with the host name or IP address, and the port of the
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registry:
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```console
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$ docker image tag rhel-httpd:latest registry-host:5000/myadmin/rhel-httpd:latest
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$ docker image push registry-host:5000/myadmin/rhel-httpd:latest
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```
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Check that this worked by running:
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```console
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$ docker image ls
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```
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You should see both `rhel-httpd` and `registry-host:5000/myadmin/rhel-httpd`
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listed.
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### <a name="all-tags"></a> Push all tags of an image (-a, --all-tags)
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Use the `-a` (or `--all-tags`) option to push all tags of a local image.
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The following example creates multiple tags for an image, and pushes all those
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tags to Docker Hub.
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```console
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$ docker image tag myimage registry-host:5000/myname/myimage:latest
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$ docker image tag myimage registry-host:5000/myname/myimage:v1.0.1
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$ docker image tag myimage registry-host:5000/myname/myimage:v1.0
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$ docker image tag myimage registry-host:5000/myname/myimage:v1
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```
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The image is now tagged under multiple names:
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```console
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$ docker image ls
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REPOSITORY TAG IMAGE ID CREATED SIZE
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myimage latest 6d5fcfe5ff17 2 hours ago 1.22MB
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registry-host:5000/myname/myimage latest 6d5fcfe5ff17 2 hours ago 1.22MB
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registry-host:5000/myname/myimage v1 6d5fcfe5ff17 2 hours ago 1.22MB
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registry-host:5000/myname/myimage v1.0 6d5fcfe5ff17 2 hours ago 1.22MB
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registry-host:5000/myname/myimage v1.0.1 6d5fcfe5ff17 2 hours ago 1.22MB
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```
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When pushing with the `--all-tags` option, all tags of the `registry-host:5000/myname/myimage`
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image are pushed:
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```console
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$ docker image push --all-tags registry-host:5000/myname/myimage
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The push refers to repository [registry-host:5000/myname/myimage]
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195be5f8be1d: Pushed
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latest: digest: sha256:edafc0a0fb057813850d1ba44014914ca02d671ae247107ca70c94db686e7de6 size: 4527
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195be5f8be1d: Layer already exists
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v1: digest: sha256:edafc0a0fb057813850d1ba44014914ca02d671ae247107ca70c94db686e7de6 size: 4527
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195be5f8be1d: Layer already exists
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v1.0: digest: sha256:edafc0a0fb057813850d1ba44014914ca02d671ae247107ca70c94db686e7de6 size: 4527
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195be5f8be1d: Layer already exists
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v1.0.1: digest: sha256:edafc0a0fb057813850d1ba44014914ca02d671ae247107ca70c94db686e7de6 size: 4527
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```
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