knexfile.js

// Update with your config settings.

const {config} = require('dotenv')

config() // Load .env file config

module.exports = {

  development: {
    client: 'mysql',
    connection: {
      host: process.env.MYSQL_HOST,
      port: process.env.MYSQL_PORT,
      database: process.env.MYSQL_DATABASE,
      user: process.env.MYSQL_USER,
      password: process.env.MYSQL_PASSWORD
    }
  },

  staging: {
    client: 'mysql',
    connection: {
      host: process.env.MYSQL_HOST,
      port: process.env.MYSQL_PORT,
      database: process.env.MYSQL_DATABASE,
      user: process.env.MYSQL_USER,
      password: process.env.MYSQL_PASSWORD
    },
    pool: {
      min: 2,
      max: 10
    },
    migrations: {
      tableName: 'knex_migrations'
    }
  },

  production: {
    client: 'mysql',
    connection: {
      host: process.env.MYSQL_HOST,
      port: process.env.MYSQL_PORT,
      database: process.env.MYSQL_DATABASE,
      user: process.env.MYSQL_USER,
      password: process.env.MYSQL_PASSWORD
    },
    pool: {
      min: 2,
      max: 10
    },
    migrations: {
      tableName: 'knex_migrations'
    }
  }

};