404 page not showing when the first path of the domain is correct

Hello,

I think that in order for the permalinks to work, you should have something like this in your Nginx server block:

location / {
    index index.php index.html index.htm;
    try_files $uri $uri/ /index.php?$args;
}

What is the exact error that you are getting? Do you get a standard Nginx 404?

I could also suggest checking your Nginx error log:

tail -100 /var/log/nginx/error.log

Regards, Bobby