Create and initialize your a directory for your Express application.
$ mkdir node-knex-demo
$ cd node-knex-demo
$ npm init
const cluster = require('cluster'); | |
const http = require('http'); | |
const numCPUs = require('os').cpus().length; | |
if (cluster.isMaster) { | |
console.log(`Master ${process.pid} is running`); | |
// Fork workers. | |
for (let i = 0; i < numCPUs; i++) { |
Migrations are a way to make database changes or updates, like creating or dropping tables, as well as updating a table with new columns with constraints via generated scripts. We can build these scripts via the command line using knex
command line tool.
To learn more about migrations, check out this article on the different types of database migrations!