ffc-pay-etl-framework/app/database-connections/postgres-database-connection.js

A framework for creating ETL pipelines in node

const DEFAULT_PORT = 5432
const { Sequelize } = require('sequelize')
const debug = require('debug')('connection')

/**
 *
 * @param {Object} options
 * @param {Object} options.connectionname
 * @param {Object} options.username
 * @param {Object} options.password
 * @param {Object} options.database
 * @param {Object} options.host
 * @param {Object} options.port
 * @returns Connection
 */
async function postgresDatabaseConnection (options) {
  const connectionname = options.connectionname
  const username = options.username
  const password = options.password
  const database = options.database
  const host = options.host
  const port = options.port || DEFAULT_PORT

  const sequelize = new Sequelize(database, username, password, {
    host,
    port,
    dialect: 'postgres',
    logging: false
  })

  try {
    await sequelize.authenticate()
    debug('sequelize.authenticate succeeded')
    return {
      name: connectionname,
      db: sequelize
    }
  } catch (e) {
    debug('sequelize.authenticate failed')
    debug(e)
    throw e
  }
}

module.exports = {
  PostgresDatabaseConnection: postgresDatabaseConnection
}