I like to think of myself as a pretty good engineer, but I spent countless hours trying to get authentication of any kind working in spring and it was very pain

I like to think of myself as a pretty good engineer, but I spent countless hours trying to get authentication of any kind working in spring and it was very painful. It's been a few years (2020) since I tried but that was just one of many roadblocks I hit trying to get spring boot to work.