I am setting up a Dockerized installation of Kirby 3 with Nginx and PHP-FPM (7.3). I can access the site and I could set up a user account but got this error afterwards:
Every time I try to access the /panel now, I am getting this error. But when I launch Kriby with the PHP’s built-in server, everything works as expected. As this is a rather non-descriptive error, I am a bit stuck.
On the built-in PHP server, while visiting /panel, the output is the following:
On nginx, while visiting /panel:
So, clearly Kirby is blocking the request somehow. Can anybody give me some pointers on how to get around this issue?