Ultimately I created a sling mapping that maps the path I wanted to proxy to a servlet, that actually makes the proxy call to nodejs.  It works, but interested if you have any thoughts on this approach.

I would like not only to proxy to a custom nodejs server for the body of the page, but also a subset of  javascript files in the app.  How can I configure AEM to do this? If this were sitting behind an nginx server I would just instruct it to proxy all calls to _next/runtime/**/*.js to the proxy ser...