Multiple Service Instance per Host is used to run single or multiple service instances of the application on a single or multiple physical/virtual hosts.
Service Instance per Host is used to run a service instance per host.
Service Instance per Container is used to run each service instance in its respective container.
Serverless Deployment packages the service as a ZIP file and uploads it to the Lambda function. The Lambda function is a stateless service that automatically runs enough micro-services to handle all requests.