create server by express configuration to openode
nvm use v8.9.1
npm install -g openode
npm install
cp into .envexample into .env. And cmd in terminal node index.js
use ./ngrok-mac http {PORT} for Outgoing-Webhook slack development.
use OPENODE for free hosting node.js service. After # account.
nvm use v8.9.1
openode deploy
input email and password. after all being upload you got url for your hosting.