Docker Login with Sonatype's Nexus

Sonatype's Nexus is an artifact repository for a variety of formats (e.g., Maven, npm, Nuget, etc.), but I use it primarily for Docker. I cache all the images that I use 1 not only for speed but also to keep a copy that I can control the life of. Once it's set up, it usually enters into that "forget it" step. However for dumb-dumb reasons of my own doing, I needed to re-configure my install. I ran…