8 best practices to reduce your AWS bill for Kubernetes

8 best practices to reduce your AWS bill for Kubernetes

In recent years, the popularity of Kubernetes has grown exponentially due to its ability to effectively manage containerized workloads. It is a powerful tool that has enabled organizations to quickly and efficiently deploy applications to the cloud. However, with the power of Kubernetes comes a potentially high cost, as many organizations find themselves overspending on their cloud bills when using the service.

This blog is intended to help organizations reduce their AWS bills for Kubernetes by providing best practices for optimizing their cloud architecture, monitoring their billing, and leveraging cost-saving features. By implementing these best practices, organizations can reduce their cloud bills and maximize their return on investment.

1. Understand Your Cloud Architecture

The first step to reducing your AWS bill for Kubernetes is to understand your cloud architecture. This means having a clear understanding of the services you are using, how they are connected, and how they are being used.

Knowing your cloud architecture will help you identify potential cost-saving opportunities. For example, you may realize that some of your services are not being used to their full potential, which means you could reduce their costs or even eliminate them entirely.

Additionally, understanding your cloud architecture will help you identify areas of potential improvement. For instance, if you find that certain services are not being used as efficiently as possible, you can adjust their settings to make them more efficient and reduce your costs.

2. Establish and Monitor Billing Alerts

The second step to reducing your AWS bill for Kubernetes is to establish and monitor billing alerts. This means setting up notifications that will alert you when your bills exceed a certain threshold.

By monitoring your bills, you can identify areas of potential overspending and take corrective measures. For example, if you find that you are consistently exceeding your budget for a particular service, you can reduce its usage or switch to a less expensive alternative.

Additionally, billing alerts can help you identify unexpected costs. This will allow you to take advantage of cost-saving opportunities that you may have otherwise missed.

3. Evaluate Your Kubernetes Services

The third step to reducing your AWS bill for Kubernetes is to evaluate your Kubernetes services. This means taking the time to review each of your services in detail and determining if they are the best fit for your needs.

This evaluation process should include an assessment of the features, performance, and cost of each service. After assessing each service, you should be able to identify cost-saving opportunities, such as switching to a more cost-effective solution or reducing your usage of a particular service.

4. Optimize Your Kubernetes Service Settings

The fourth step to reducing your AWS bill for Kubernetes is to optimize your Kubernetes service settings. This means adjusting the settings of each service to maximize their efficiency and minimize your costs.

For example, if you find that one of your services is using more resources than necessary, you can adjust its settings to reduce its resource usage. Additionally, you can adjust the settings of certain services to enable them to scale more efficiently, which can help you reduce your costs.

5. Use Reserved Instances

The fifth step to reducing your AWS bill for Kubernetes is to use reserved instances. Reserved instances are a cost-saving feature that allows you to purchase compute capacity ahead of time at a discounted rate.

By purchasing reserved instances, you can significantly reduce your costs by locking in a lower rate for your compute capacity. Additionally, you can avoid unexpected costs by knowing exactly what you will be paying for your compute capacity in advance.

6. Utilize Spot Instances

The sixth step to reducing your AWS bill for Kubernetes is to utilize spot instances. Spot instances are a cost-saving feature that allows you to bid on unused compute capacity at a discounted rate.

By taking advantage of spot instances, you can significantly reduce your costs by bidding on compute capacity that would otherwise be going unused. Additionally, you can avoid unexpected costs by knowing exactly what you will be paying for your compute capacity in advance.

When selecting spot instances, opt for the less popular ones as they have a lower chance of being interrupted. You can assess the frequency of interruption for the selected instance in the AWS Spot Instance Advisor, which provides a range of <5%, 5-10%, 10-15%, 15-20%, and >20%. Furthermore, if you’re looking for an uninterrupted experience, you can choose the 6-hour spot instance, which will cost you a bit more, but still provide a 30-50% discount from the on-demand pricing.

7. Leverage Spot Instance Termination Notices

The seventh step to reducing your AWS bill for Kubernetes is to leverage spot instance termination notices. Spot instance termination notices are a cost-saving feature that notify you when your spot instance is about to be terminated.

By utilizing this feature, you can avoid unexpected costs by knowing exactly when your spot instance will be terminated and taking corrective measures to minimize your costs. Additionally, this feature can help you identify opportunities to reduce your costs by adjusting your bids or switching to a reserved instance.

8. Educate Your Team

The eighth step to reducing your AWS bill for Kubernetes is to educate your team. It is important that all members of your team understand the best practices for reducing your cloud bills and are aware of the various cost-saving features available.

By educating your team, you can ensure that everyone is making the most of your cloud architecture and taking advantage of cost-saving opportunities. Additionally, this will help ensure that your team is taking a proactive approach to managing your cloud bills, rather than reacting to unexpected costs.

Wrap Up

Reducing your AWS bill for Kubernetes requires a proactive approach. By following the best practices outlined in this blog, you can take the necessary steps to optimize your cloud architecture, monitor your bills, and leverage cost-saving features. By implementing these best practices, you can reduce your cloud bills and maximize your return on investment.

No matter what your infrastructure type is, the above tips can be applied to help you save on cloud costs. However, if you really want to maximize savings, manual adjustments may not be enough. You need a comprehensive, automated cloud cost optimization solution to pick the best resources for you at the lowest cost. 

How nOps can help with AWS Bill for Kubernetes


If you’re using AWS EKS for Kubernetes, use the free savings report to see how much you can save. Connect your cluster to the platform, and the read-only agent will do a thorough analysis. The report will help you identify potential cost savings, and you can optimize your cluster yourself or let the solution do it for you automatically. Want sharper visibility into the cost of your Kubernetes deployment on AWS and see how much you can save? You can explore more at nOps.io.