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 Signup account.
nvm use v8.9.1
openode deploy
input email and password. after all being upload you got url for your hosting.