simple-ws.conf

# WebSocket Proxy
#
# Simple forwarding of unencrypted HTTP and WebSocket to a different host
# (you can even use a different host instead of localhost:8080)

server {
    listen 80;

    # host name to respond to
    server_name ws.example.com;

    location / {
        # switch off logging
        access_log off;

        # redirect all HTTP traffic to localhost:8080
        proxy_pass http://localhost:8080;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        # WebSocket support (nginx 1.4)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}