I Built a Spring Boot 4 SaaS Starter Kit So You Never Have to Write Auth Boilerp

<p>I do a bunch of small things on the side. I wrote a website for a friend's thesis, took on a couple of commissioned full-stack jobs, and I have one actual side hustle that's

<blockquote> <p>Why I Built This</p> </blockquote> <p>Every Spring Boot project I started, I spent the first <strong>2–3 weeks</strong> building the exact same things:</p> <ul>

<h1> What a "production-ready" FastAPI starter actually needs </h1> <p>Every FastAPI project I've started begins the same way: an hour of<br /> boilerplate before I write a single

<blockquote> <p><em>JWT tutorials only teach the easy part. Here's what happens after.</em></p> </blockquote> <p>Most auth tutorials end at "user logs in, gets a token, done." And

<h2> Why This Article Exists </h2> <p>There is a very common kind of application: it lives inside a company network, it is reachable over the VPN, and it has been running like

<p>Every time I spin up a new Angular + Spring Boot + SQL Server stack in Docker I hit the same two headaches in the first ten minutes:<br /> 1) The backend container boots faster

<h2> Introduction </h2> <p>Authentication is one of those things that looks simple in a tutorial and becomes surprisingly complex in production. Between token storage, CSRF

<p>It's month two of your SaaS. Your co-founder pings you on Slack: <em>"Can we change the hero headline? I think it's confusing."</em> You open the repo, edit a string, push,