nginx virtual host configuration file where `[::]` handles IPv6 IPs.

vhost.ini

# Redirect non-secure http requests to secure https domain
# Redirect non-www requests to www.site.com
server {
    listen 0.0.0.0:80;
    listen [::]:80;
    
    listen 0.0.0.0:443 ssl http2;
    listen [::]:443 ssl http2;

    server_name domain.com *.domain.com;

    return 301 https://www.$server_name$request_uri;
}

server {
    listen 0.0.0.0:443 ssl http2 default_server;
    listen [::]:443 ssl http2;

    ...
}