Migration nodeJS

Je vais apporter un peu plus de précision :

Pour le moment, j'ai :
1 serveur nginx qui écoute le port 443
1 serveur nodejs qui écoute le port 3000

Avec la conf qui suit, je peut accéder à mon site sur
https://monsite.com
http://monsite.com:3000

J'aimerai faire en sorte que le 2sd lien redirige automatiquement vers le 1er, une idée ?

Code:

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upstream nodenomunique {
        server 127.0.0.1:3000;
}

server {
    listen 443 ssl;
    server_name ;
    ssl_certificate /etc/nginx/certificates/.crt;
    ssl_certificate_key /etc/nginx/certificates/.key;
    ssl_protocols SSLv3 TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers HIGH:!aNULL:!MD5;

    access_log /var/log/nginx/votreprojet.log;

    # supposedly prevents 502 bad gateway error;
    # ultimately not necessary in my case
    large_client_header_buffers 8 32k;

    client_max_body_size 10M;

    # pass the request to the node.js server with the correct headers and much more can be added, see nginx config options
    location / {
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_set_header X-NginX-Proxy true;

        # prevent 504
        proxy_read_timeout 600;

        # supposedly prevents 502 bad gateway error;
        # ultimately not necessary in my case
        proxy_buffers 8 32k;
        proxy_buffer_size 64k;

        proxy_pass http://nodenomunique/;
        proxy_redirect off;

        # the following is required as well for WebSockets
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}

Migration nodeJS > Nginx