Connecting to MySQL with Knex

database.json

{
  "host": "xxxxxxxxxx"
, "user": "xxxxxxxxxx"
, "password": "xxxxxxxxxxxxxxxxxxxx"
, "database": "xxxxxxxxxxxxxxxxx"
}

knex-example.js

let knex = require('knex')({
  client: 'mysql'
, connection: JSON.parse(fs.readFileSync('database.json'))
});