NGINX config file for node.js applications with websocket support and ssl

nginx_config_nodejs.txt

server {
    listen 80;

    server_name example.com www.example.com;
    location / {
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Host $http_host;

        proxy_pass http://127.0.0.1:<PROJECT PORT>;
        proxy_redirect off;

        # socket.io support
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}

server {
    listen 443 ssl;

    server_name example.com www.example.com;

    # ssl certs and keys
    ssl_certificate /etc/ssl/certs/<YOUR CERTIFICATE>.crt;
    ssl_certificate_key /etc/ssl/private/<YOUR SECRET KEY>.key;

    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers 'AES128+EECDH:AES128+EDH';

    ssl_prefer_server_ciphers on;

    location / {
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Host $http_host;

        proxy_pass http://127.0.0.1:<PROJECT PORT>;
        proxy_redirect off;

        # socket.io support
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}