Much like the whims of a wild river, unexpected events can cause internet services to fail in catastrophic ways. Civil engineers tame rivers, like the Mississippi, by employing a variety of methods to protect against catastrophe -- one of these methods involves building locks to quickly redirect the flow of water to another channel. Similarly, in the event of an internet service catastrophy, f-lock will block flow into the failed service.
F-lock requires a couple of moving parts --sigh.
- Amazon's Route53
- Apex domain access
- 2 or more independent platforms
- Your application
- Desire for availability
$ export AWS_ACCESS=key $ export AWS_SECRET=secret $ export AWS_API_V=2012-02-29 $ export CLOUD=primary $ bin/f-lock ha.com. app