| # context create | |
| <!---MARKER_GEN_START--> | |
| Create a context | |
| Docker endpoint config: | |
| NAME DESCRIPTION | |
| from Copy named context's Docker endpoint configuration | |
| host Docker endpoint on which to connect | |
| ca Trust certs signed only by this CA | |
| cert Path to TLS certificate file | |
| key Path to TLS key file | |
| skip-tls-verify Skip TLS certificate validation | |
| Example: | |
| $ docker context create my-context --description "some description" --docker "host=tcp://myserver:2376,ca=~/ca-file,cert=~/cert-file,key=~/key-file" | |
| ### Options | |
| | Name | Type | Default | Description | | |
| |:----------------------|:-----------------|:--------|:------------------------------------| | |
| | `--description` | `string` | | Description of the context | | |
| | [`--docker`](#docker) | `stringToString` | | set the docker endpoint | | |
| | [`--from`](#from) | `string` | | create context from a named context | | |
| <!---MARKER_GEN_END--> | |
| ## Description | |
| Creates a new `context`. This lets you switch the daemon your `docker` CLI | |
| connects to. | |
| ## Examples | |
| ### <a name="docker"></a> Create a context with a Docker endpoint (--docker) | |
| Use the `--docker` flag to create a context with a custom endpoint. The | |
| following example creates a context named `my-context` with a docker endpoint | |
| of `/var/run/docker.sock`: | |
| ```console | |
| $ docker context create \ | |
| --docker host=unix:///var/run/docker.sock \ | |
| my-context | |
| ``` | |
| ### <a name="from"></a> Create a context based on an existing context (--from) | |
| Use the `--from=<context-name>` option to create a new context from | |
| an existing context. The example below creates a new context named `my-context` | |
| from the existing context `existing-context`: | |
| ```console | |
| $ docker context create --from existing-context my-context | |
| ``` | |
| If the `--from` option isn't set, the `context` is created from the current context: | |
| ```console | |
| $ docker context create my-context | |
| ``` | |
| This can be used to create a context out of an existing `DOCKER_HOST` based script: | |
| ```console | |
| $ source my-setup-script.sh | |
| $ docker context create my-context | |
| ``` | |
| To source the `docker` endpoint configuration from an existing context | |
| use the `--docker from=<context-name>` option. The example below creates a | |
| new context named `my-context` using the docker endpoint configuration from | |
| the existing context `existing-context`: | |
| ```console | |
| $ docker context create \ | |
| --docker from=existing-context \ | |
| my-context | |
| ``` | |
| Docker endpoints configurations, as well as the description can be modified with | |
| `docker context update`. | |
| Refer to the [`docker context update` reference](context_update.md) for details. |