akumbhani66

const jwt = require('jwt-simple');
const payload = {
  "this is": "simple payload"
}
const secret = 'top-secret@2020';

// encode
const token = jwt.encode(payload, secret);
console.log(">>>>>", token);

akumbhani66

Node.js Deployment

Steps to deploy a Node.js app to DigitalOcean using PM2, NGINX as a reverse proxy and an SSL from LetsEncrypt

1. Sign up for Digital Ocean

If you use the referal link below, you get $10 free (1 or 2 months) https://m.do.co/c/5424d440c63a

2. Create a droplet and log in via ssh

I will be using the root user, but would suggest creating a new user

akumbhani66

{"lastUpload":"2020-03-03T13:14:09.694Z","extensionVersion":"v3.4.3"}

akumbhani66

1. Undo - ESC -> u
2. Redo - ESC -> cltr + r
3. copy a line - yy
4. paste line -> p
5. cut a line -> dd

akumbhani66

lsblk // list elbs
sudo file -s /dev/xvda* // check data in elb
sudo df -h // check current space
sudo growpart /dev/xvda 1 // Add volume to current disk
sudo lsblk // list adain elbs
sudo resize2fs /dev/xvda1 // Resize current disk
sudo df -h // check current disk. Space should be increased.

akumbhani66

// Put following function in to your .zshrc and ls -a will going to execute right away after cd.  

function chpwd() {
    emulate -L zsh
    ls -a
}

akumbhani66

1. Start new tmux session
tmux new -s [session_name]

2. List all session
tmux ls

2. Dive into session
tmux attach -t [session_name]

3. Exit the session without killing current session

akumbhani66

{
  "version": "0.2.0",
  "configurations": [
    {
      "type": "node",
      "request": "launch",
      "name": "Launch Program",
      "port": 9229,
      // "program": "${workspaceFolder}/start"
    }

akumbhani66

/**
 * Tool to check all the environment files for the missing variables.
 credit: Marko Markovich
 */
const fs = require('fs');
const dotenv = require('dotenv');
const glob = require('glob');
// eslint-disable-next-line import/no-extraneous-dependencies
const chalk = require('chalk');

akumbhani66

const uniqueAddresses = Array.from(new Set(arrayTemp.map(ele => ele.a))).map(subEle => {
    return arrayTemp.find(ele => ele.a === subEle)
})