> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fly.io/llms.txt
> Use this file to discover all available pages before exploring further.

# fly auth docker

Adds registry.fly.io to the Docker daemon's authenticated
registries. This allows you to push images directly to Fly.io from
the Docker CLI. Note that tokens may expire.

## Usage

```
fly auth docker [flags]
```

## Options

```
  -h, --help   help for docker
```

## Global Options

```
  -t, --access-token string   Fly API Access Token
      --debug                 Print additional logs and traces
      --verbose               Verbose output
```

## See Also

* [fly auth](/flyctl/cmd/fly_auth)	 - Manage authentication