By "public interface" what I mean in this context is the functionality you would expose for other external services (from the same trusted system) to call. You're right though, you wouldn't want to expose a service directly to the internet. You'd use an API Gateway and expose that.
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By "public interface" what I mean in this context is the functionality you would expose for other external services (from the same trusted system) to call. You're right though, you wouldn't want to expose a service directly to the internet. You'd use an API Gateway and expose that.