The Redis community offers support through the official mailing list and #redis on Freenode.
The mailing list is under manual moderation, so it may take a few hours to a few days for your message to show up.
Visit the Community page for more public support options and details on how to contribute to Redis.
You can Get Managed Redis instances from Redis Labs, the official sponsor of the Redis Project. They provide fully managed instances with SSL, email alerts, backups and many more features.