### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

- following the [installation steps](https://docs.localstack.cloud/getting-started/installation/) fails when validating localstack configuration

- error
![image](https://github.com/localstack/localstack/assets/10324554/d82ef62e-c8b8-402e-8195-e691733cfeb1)

- localstack is indeed running
![image](https://github.com/localstack/localstack/assets/10324554/44d7180a-5090-416d-afa9-c4eaaedca33e)


### Expected Behavior

- localstack can consume the path I pass `--file`

### How are you starting LocalStack?

With a docker-compose file

### Steps To Reproduce

#### How are you starting localstack (e.g., `bin/localstack` command, arguments, or `docker-compose.yml`)

    docker compose up -d
    localstack config validate --file ./compose.yaml


### Environment

```markdown
OS: Ubuntu 20.04
    LocalStack: latest
```


### Anything else?

- you can reproduce [on this branch](https://github.com/noahehall/localstack/tree/rds) if it still exists
  - else switch to the develop branch
"""Whether or not we are running in a CI environment"""
    for key in ("CI", "TRAVIS"):
        if os.environ.get(key, "") not in [False, "", "0", "false"]:
            return True
    return False
def is_api_key_configured() -> bool:
    """Whether an API key is set in the environment."""
    return (
        True
        if os.environ.get("LOCALSTACK_API_KEY") and os.environ.get("LOCALSTACK_API_KEY").strip()
        else False
    )