Nginx Redirect www to Non-www Config

A permanent redirect from www.example.com to example.com on HTTP and HTTPS. Enter your domain below for a ready server block.

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Site Type

Domain

HTTPS (Let's Encrypt)

NoteThe certificate must cover www as well; the commands below request both names.

Server Block

# /etc/nginx/sites-available/example.com, generated at frabs.net/tools/nginx-config-generator/
server {
    listen 80;
    listen [::]:80;
    server_name www.example.com;
    return 301 https://example.com$request_uri;
}

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    http2 on;
    server_name www.example.com;
    ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;
    include /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
    # add_header Strict-Transport-Security "max-age=31536000" always;  # once HTTPS works everywhere
    return 301 https://example.com$request_uri;
}

Install It

sudo certbot certonly --nginx -d example.com -d www.example.com   # get the certificate first
sudo nano /etc/nginx/sites-available/example.com   # paste the config
sudo ln -s /etc/nginx/sites-available/example.com /etc/nginx/sites-enabled/
sudo nginx -t && sudo systemctl reload nginx

Nginx Config Generator