Whenever we write applications or services, we generally include some form of health check that we can easily (and regularly) poll to make sure everything is still up and running. That health check likely confirms that your code has access to everything it needs to function correctly. Well, generally that’s “everything it needs that its developers can control.” Rarely does our health check include external dependencies, even though almost all released software has dependencies that are outside the control of its authors. So, how do you tell when the external systems you rely on to work, don’t?Continue reading »
It’s 11 PM, do you know if your external dependencies are healthy?