NewHostOptionsFromEnvironment reads the configuration from the given path and returns a HostOptions object, or an error if the configuration could not be loaded.

AuthDefault is the default authentication method, such as environment variables.

AuthUCPCredential is the authentication method via UCP Credential API.

HostOptions defines all of the settings that our RP's execution environment provides.

Identity represents configuration options for authenticating with external systems like Azure and AWS.

UCPConfig includes the resource provider configuration.