Connecting to AWS Elasticache (with ioredis + Bull)

redis.ts

import Redis from 'ioredis';

const requiresTLS = process.env.NODE_ENV === 'production';

const client = new Redis({
  host: process.env.REDIS_HOST as string,
  password: process.env.REDIS_PASSWORD as string,
  port: parseInt(process.env.REDIS_PORT, 10),

  // {} prop enables TLS (typical for production, not while developing locally)
  tls: requiresTLS ? {} : undefined,

  /* Uncomment lines below if using bull
     Using a redis instance with enableReadyCheck or maxRetriesPerRequest 
     for bclient/subscriber is not permitted.
     see https://github.com/OptimalBits/bull/issues/1873
  */
  // maxRetriesPerRequest: null,
  // enableReadyCheck: false
})