Thinking aloud here. I keep concise posts of my daily experience.
Short & sweet is better than long & lax.
Docker Container Port Mapping
In Docker, anytime that someone makes a request to a given port on your local network, it takes that request automatically and forwards it to a port inside the container. This is only about incoming requests. The docker container can by-default make requests on its own behalf to the outside world. An example for this is when you install a dependency. So there is no limitation for outgoing requests.
Assigning values to variables as part of a larger expression in Python 3.8
Python 3.8 introduces assignment expressions affectionately known as “the walrus operator”. That's because the operator looks like a walrus! The walrus is a large flippered marine mammal with a discontinuous distribution about the North Pole in the Arctic Ocean and subarctic seas of the Northern Hemisphere. — Wikipedia Walrus operator :=