using ngrok with websocket (or socket.io)
Yes. If your node app is working off of port 3000 like in your example then just use ngrok to create a reverse proxy to expose 3000 to the world. Websockets will work just fine with it.
ngrok
How to host an HTML file with ngrok?
No. ngrok only tunnels traffic, so it can’t actually serve the HTML file for you. You can, however, serve a directory of files very easily. One of the quickest ways to start a server is with python. From the command line, cd to the directory containing your HTML files and run: $ python -m SimpleHTTPServer … Read more
targeting dev sites with vhost setup using ngrok
Cool All your config is good, You just have to exec command ngrok http -host-header=rewrite home.dev:80 ngrok http -host-header=rewrite sites.dev:80 New Command (8-30-22 edit): ngrok http –host-header=rewrite sites.dev:80
How to run ngrok in background?
as described previously you can run ngrok in background with ./ngrok http 8080 > /dev/null & next you can use curl and for example jq a command-line JSON processor. export WEBHOOK_URL=”$(curl http://localhost:4040/api/tunnels | jq “.tunnels[0].public_url”)” your URL will be accessible from $WEBHOOK_URL env variable and you can use it anywhere.
How to specify which domain using ngrok
If you prefer a free option, it is possible via: ngrok http –host-header=site1.dev 80
Configure ngrok’s CORS headers
I just stumbled across this issue today and was able to resolve it by starting ngrok and including the –host-header flag. ngrok http –host-header=rewrite 3000 From the docs: Use the –host-header switch to rewrite incoming HTTP requests. If rewrite is specified, the Host header will be rewritten to match the hostname portion of the forwarding … Read more
View random ngrok URL when run in background
There are a couple of ways. You can either: 1) Visit localhost:4040/status in your browser to see a bunch of information, or 2) Use curl to hit the API: localhost:4040/api/tunnels
Bad Request – Invalid Hostname HTTP Error 400. The request hostname is invalid. when i am using ngrok
Your web server is rejecting the request since it has different hostname. Try ngrok http -host-header=”localhost:8080″
Ngrok errors ‘502 bad gateway’
This worked for me ngrok.exe http –host-header=rewrite localhost:<Your Port number> e.g: ngrok.exe http –host-header=rewrite localhost:5219 Im using visual studio 2017 dont know if it effects anthing.