Admin account - Docker on latest stable build

Sorry for asking such a basic question, but we are trying out retool for the first time - so complete newbie.
After the container(s) have finished building, and I hit the auth/login or auth/signup page for the first time- should I be using my "name@company.com" account & password that I've already set up on the self service portal (i.e. where i got the key from), or can i use a different password with the same email?

It strikes me as odd that it's not mentioning on screen that this is an admin account. i.e. there seems to be no recognition this is a fresh install.

I've tried a few times, and completely destroyed the images/containers to start fresh - but every time - it recognised my logon, asks me "about yourself" (i.e. my name), but then takes me back to the /auth/login prompt when i click continue.

Feels like I'm authenticated, but not authorised. i.e. I'm just a normal user, and not an admin user. No obvious standout errors from the logs - but I don't know what to look for.

Ok, sorry - looks like a complete mistake on my part - the cookie_insecure was commented out. I also downgraded to 114.1, but very much doubt that made a difference