Oh interesting thanks!

If this refers to docker compose, I think all that does is put them in the same network.

Biffi?

This is what being wise is.

A hidden advantage of removable batteries is that you can turn your end of life phone into a small wall mounted screen powered by mains. With batteries, you are mounting a fire hazard to your wall.

If my last 3 smartphones had replaceable batteries, they would all be in use right now.