Cloud 66 provides full stack container management as a service in production, that offers Heroku-like functionality on any cloud provider or on your own server, http://www.cloud66.com/
(Disclaimer: I work at Cloud 66)
Now granted I pay about $300/month for the VM I have with my hosting provider, but I can pick up a phone at any hour and talk to a tech when things go south.
I really don't care how good a service is, I want to talk with a breathing human being when my business is down.
You do get support for no additional fee, but you can pay for additional access to support staff. That said, they've always been quite responsive to our requests, with a fairly short turnover time by email.
It is however customary in the industry to pay for additional levels of support:
https://aws.amazon.com/premiumsupport/ https://www.heroku.com/critical
High-availability, automatic failover, managed, with diamond-cut SSDs I hope? Who are you with? For that money you should just pick up a box.