Controllers (in webbish MVC) and Actions (in ADR) are not Services. That is, their instances are not shared throughout the system. They are not shared objects used in many different places. Each is created and used only once, in one place, usually as the result of routing logic.

As such, Controllers and Actions should not be defined as "Services" in Dependency Injection containers. They should not be in a Service Locator, either.

Instead, try to use a Factory to create the one Controller or Action that you need for the interaction.

UPDATE (7 Dec 2019): Based on the Reddit discussion below, I have reason to revise my opinion. Look for a followup post in the next couple of days.

See the Reddit conversation on this post here.

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