> ## 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 postgres attach

Attach a postgres cluster to an app

## Usage

```
fly postgres attach <POSTGRES APP> [flags]
```

## Options

```
  -a, --app string             Application name
  -c, --config string          Path to application configuration file
      --database-name string   The designated database name for this consuming app.
      --database-user string   The database user to create. By default, we will use the name of the consuming app.
  -h, --help                   help for attach
      --superuser              Grants attached user superuser privileges (default true)
      --variable-name string   The environment variable name that will be added to the consuming app.  (default "DATABASE_URL")
  -y, --yes                    Accept all confirmations (also --auto-confirm)
```

## Global Options

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

## See Also

* [fly postgres](/flyctl/cmd/fly_postgres)	 - Unmanaged Postgres cluster commands