How to redirect https www to https non-www in Nginx server

This is my config file for the site. I have tried previous tutorials and answers but they don’t work for me

server {
        root /var/www/html;
        index index.html index.htm index.nginx-debian.html;


        location / {
                proxy_pass http://localhost:3000;
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection 'upgrade';
                proxy_set_header Host $host;
                proxy_cache_bypass $http_upgrade;

    listen [::]:443 ssl ipv6only=on; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot


    if ($host = {
        return 301$request_uri;
    } # managed by Certbot
    if ($host ={
        return 301$request_uri;
        listen 80;
        listen [::]:80;


    return 404; # managed by Certbot

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Hi there,

In your case you have a redirect for www to non-www for HTTP but not for HTTPS.

I had the following problem recently. I’ve used this redirect rule in the 443 server block and it worked:

    if ($host ~ ^www\.(?<domain>.+)$) {
        return  301 $scheme://$domain$request_uri;

Once you make the change, make sure to run an Nginx config test with nginx -t and then restart Nginx.

Let me know how it goes!