Firewalls on thin ice
The more that I read and the more that I build, with every additional service that I self-host, I realize there are so many points of failure - each becoming more evident as time passes and experience grows. The blaring one’s get attended to sooner or later, and the not-so-urgent one’s remain there - slowly tended to on the whims and fancies of time and interest. Until, from a different perspective, what you judged to be urgent or frivolous flips and then you are just not sure what you are dealing with. ...