Nginx multi-core node processes w/ SSL termination and port 80 to 443 redirect; a config template

nginx.conf

# one worker per CPU
worker_processes 4;

events {
    # 256 times the number of CPUs you're using
    worker_connections 1024;
}

http {
    # websockets upgrade mapping
    map $http_upgrade $connection_upgrade {
        default upgrade;
        '' close;
    }

    # load balance 4 instances of a node process
    upstream mysite {
        server 127.0.0.1:3000;
        server 127.0.0.1:3001;
        server 127.0.0.1:3002;
        server 127.0.0.1:3003;
    }

    # server endpoint configuration
    server {
        listen                  80;
        server_name             mysite.name;
        # redirect http to https
        return                  301 https://mysite.name$request_uri;
    }

    server {
        listen                  443 ssl;
        keepalive_timeout       5m;

        # SSL configuration
        server_name             mysite.name;
        ssl_certificate         /path/to/my/site.crt;
        ssl_certificate_key     /path/to/my/site.key;
        ssl_protocols           TLSv1 TLSv1.1 TLSv1.2;
        ssl_ciphers             AES128-SHA:AES256-SHA:RC4-SHA:DES-CBC3-SHA:RC4-MD5;
        ssl_session_cache       shared:SSL:10m;
        ssl_session_timeout     10m;

        location / {
            # websockets configuration, using our mapping
            proxy_pass          http://mysite;
            proxy_http_version  1.1;
            proxy_set_header    Upgrade $http_upgrade;
            proxy_set_header    Connection $connection_upgrade;
        }
    }

    # you can declare special mime types to be processed here
    types {
        application/font-woff2  woff2;
    }
}