docs/reference: dockerd: use table for env-vars

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 32bc912008)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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Sebastiaan van Stijn 2023-04-12 18:27:40 +02:00
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@ -129,11 +129,17 @@ to [the `daemon.json` file](#daemon-configuration-file).
For easy reference, the following list of environment variables are supported For easy reference, the following list of environment variables are supported
by the `dockerd` command line: by the `dockerd` command line:
* `DOCKER_DRIVER` The graph driver to use. | Variable | Description |
* `DOCKER_RAMDISK` If set this will disable 'pivot_root'. |:--------------------|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
* `DOCKER_TMPDIR` Location for temporary Docker files. | `DOCKER_CERT_PATH` | Location of your authentication keys. This variable is used both by the [`docker` CLI](cli.md) and the `dockerd` daemon. |
* `MOBY_DISABLE_PIGZ` Do not use [`unpigz`](https://linux.die.net/man/1/pigz) to | `DOCKER_DRIVER` | The storage driver to use. |
decompress layers in parallel when pulling images, even if it is installed. | `DOCKER_RAMDISK` | If set this disables 'pivot_root'. |
| `DOCKER_TLS_VERIFY` | When set Docker uses TLS and verifies the remote. This variable is used both by the [`docker` CLI](cli.md) and the `dockerd` daemon. |
| `DOCKER_TMPDIR` | Location for temporary files created by the daemon. |
| `HTTP_PROXY` | Proxy URL for HTTP requests unless overridden by NoProxy. See the [Go specification](https://pkg.go.dev/golang.org/x/net/http/httpproxy#Config) for details. |
| `HTTPS_PROXY` | Proxy URL for HTTPS requests unless overridden by NoProxy. See the [Go specification](https://pkg.go.dev/golang.org/x/net/http/httpproxy#Config) for details. |
| `MOBY_DISABLE_PIGZ` | Disables the use of [`unpigz`](https://linux.die.net/man/1/pigz) to decompress layers in parallel when pulling images, even if it is installed. | |
| `NO_PROXY` | Comma-separated values specifying hosts that should be excluded from proxying. See the [Go specification](https://pkg.go.dev/golang.org/x/net/http/httpproxy#Config) for details. |
## Examples ## Examples