Nginx Remove WWW And Respond To Both

Question

I have the following nginx configuration fragment:

server {
   listen 80;

   server_name mydomain.io;

   root /srv/www/domains/mydomain.io;

   index index         


        

Answer 1

server {
    listen 80;
    server_name www.mydomain.io;
    return 301 https://$host$request_uri;
}

server {
    listen 80;
    server_name mydomain.io;
    ...
}