Load AWS Secrets Manager into process.env environment variables

secrets.js

const AWS = require('aws-sdk')
 
const getSecretValue = async () => {
  const region = process.env.REGION
  const env = process.env.ENV || 'dev'
  const secretPath = env === 'prod' ? 'prod' : 'dev'
  const secretName = `[PROJECT]/amplify-${secretPath}/${env}`
 
  var client = new AWS.SecretsManager({ region })
 
  return new Promise((resolve, reject) => {
    client.getSecretValue({ SecretId: secretName }, function(err, data) {
      if (err) {
        reject(err)
      } else {
        let secret
        if ('SecretString' in data) {
          secret = data.SecretString
        } else {
          let buff = new Buffer(data.SecretBinary, 'base64')
          secret = buff.toString('ascii')
        }
        resolve(JSON.parse(secret))
      }
    })
  })
}
 
const setSecretEnvs = async () => {
  const secrets = await getSecretValue()
  Object.keys(secrets).forEach(function(key) {
    process.env[key] = secrets[key]
  })
  return secrets
}
 
module.exports = {
  setSecretEnvs
}