One nginx host file which handles domain.tld and www.domain.tld with and without https and redirects all of them to use https and www

domain.tld.conf

server {
    listen 80;
    listen [::]:80;

    server_name domain.tld www.domain.tld;

    return 301 https://www.domain.tld$request_uri;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name domain.tld;

    return 301 https://www.domain.tld$request_uri;
	
	# include your HTTPS config here
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

    server_name www.domain.tld;

	root /whatever/your/webroot/is;
	
	# include your HTTPS config here
}