nginx ssl config

site.conf

server {
    listen 80;
    listen [::]:80;
    server_name example.com;
    return 302 https://$server_name$request_uri;
}

server {

    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name example.com;
    
    ssl_certificate         /etc/ssl/certs/example.pem;
    ssl_certificate_key     /etc/ssl/private/example.pem;

    ssl_ciphers               EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH;
    add_header                Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    ssl_prefer_server_ciphers on;
    ssl_protocols             TLSv1.1 TLSv1.2 TLSv1.3;
    ssl_session_cache         shared:SSL:10m;
    ssl_session_timeout       10m;

    location / {
        proxy_pass http://localhost:3000;
        proxy_http_version 1.1;
        proxy_set_header   Upgrade $http_upgrade;
        proxy_set_header   Connection keep-alive;
        proxy_set_header   Host $host;
        proxy_cache_bypass $http_upgrade;
        proxy_set_header    X-Real-IP         $remote_addr;
        proxy_set_header    X-Forwarded-For   $proxy_add_x_forwarded_for;
    }

}