If you have recently received the bill from your cloud provider, you may be still wondering how you spent all this significant amount of money in cloud resources. And if you’re using multiple cloud providers (like we do at Cloud Application Manager), this problem is even more complicated. Evidently, you need to have much better insight into where your expenses are going. Resource tagging is a crucial technique to improve the cost efficiency and reduce your infrastructure bill.
Without tags, you won’t be able to confidently know what each of your instances is doing, which instances have been provisioned and which you can power off. This technique is even more important when using autoscaling systems that automatically add and release resources based on the workload of your application.
Tagging your cloud resources allows you to add metadata to your resources in the form of key-value pairs. Hence your tag-key must be a meaningful value that represents how you want to report this resource, while the tag-value should give you an insight of what you want to report on. These tag-keys will appear as columns in the reports of your cloud providers. Therefore they may be descriptive enough to help you to break...