Been there, done that, flat file on php around 2007 or so?

Can't remember, building it on your own does not make sense at all, unless you have or plan to get several customers that will stay with you paying the bills long term...

Yeah WCS is great! Used to learn from actual books, but these days things are developing sooo rapidly that I doesn't make sense diving deep into anything unless there is a direct reason i.e. income, in #Bitcoin of course :-)