Tag Archives: DTR

Cloud-native ramblings: Adding Redis

Many people think I am “just” building a paludarium… But they don’t see the complex world of automation behind it. In fact, there is a full blown application running the paludarium, build in a limited-but-functional cloud-native architecture.

This architecture is limited… Because you can have multiple instances of your microservices… But in the end there is only one piece of hardware to control. A single relais, a single led light, a single pump, a single valve and a single level sensor. And this is a problem; what if multiple microservices all talk to the one hardware platform at the same time? I needed a way to put a lock on who can send commands, and Redis came to the rescue.

The limitations of having “one hardware”

What if you have all kinds of microservices and functions that all want to talk to a single hardware platform? There are several functions and services that want to talk to the hardware:

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