Improving Actor start-up time #DockerImageSize

Hello 👋 there is a few documentation on how to improve the actor startup time one solution is described here https://docs.apify.com/platform/actors/development/performance#:~:text=Use%20standardized%20images%20to%20accelerate,Dockerfile%20need%20to%20be%20pulled. "Use standardized images to accelerate Actor startup times
Using one of Apify's standardized images, can accelerate the Actor startup time. These images are cached on each worker machine, so only the layers you added in your Actor's Dockerfile need to be pulled." . But no concrete example on how to use https://github.com/apify/apify-actor-docker in python actor. Any help or contribution is welcome thanks.