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+to play with cookies
+
+this serves a nginx server on port 8443
+
+> [!CAUTION]
+> you want to change your `/etc/hosts` (on \*nix)
+
+```
+# /etc/hosts
+127.0.0.1 website.com a.website.com b.website.com sub.a.website.com
+```
+
+next, install `just` for your system. take a look at <https://just.systems> if unsure how
+
+get `podman` too while you're at it. you don't have `openssl`? what insane operating system are you on? get openssl too.
+
+```console
+$ just genssl
+$ just container
+$ # now you mess around with conf.d/server.conf
+$ # you look at https://a.website.com https://b.website.com https://sub.a.website.com
+$ # you can tell you need to tell your browser you want a taste of danger
+$ just reload
+$ # ^ do that when you make changes to server.conf
+```