Re: It's an interesting point..
"This only happens if you actually forward the database port... If both DB and Frontend are containerised, then there is zero need to do that..So it's not a fault of docker, more a poorly configured container..."
Completely agree. In a Docker container, you map host ports to container ports. It sounds like NewsBlur used someone else's Docker config without checking the details. I don't hold it against the chap; one feature of Docker is that you don't have to understand it in order to use it.