This time I will not write a lenghtly post. Instead, I'll try to explain different deployment strategies through diagrams. This is for all those who dislike black and white terminal and prefer colors, boxes, and lines with arrows.
The deployment strategies are not presented in any particular order.
Serverless Deployments With Knative
The flow of a request with API gateway
Knative's ability to scale to zero replicas
Knative's ability to scale from zero to multiple replicas