graphql-engine/community/boilerplates/auth-servers/passportjs-jwt-roles/knexfile.js

// Update with your config settings.

const databaseName = 'postgres'
const pg = require('pg')

const connection_url =
  process.env.DATABASE_URL ||
  `postgres://postgres:@localhost:5432/${databaseName}`

module.exports = {
  client: 'pg',
  connection: connection_url,
  migrations: {
    directory: __dirname + '/db/migrations'
  }
}