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Blog

The latest posts and insights about Ambassador - our products, our ecosystem, as well as voices from across our community.

Best API Gateway to Cut Costs and Boost Efficiency

Kubernetes API Gateway

Optimizing Cost and Efficiency in Kubernetes API Gateways

Kubernetes has become a cornerstone of enterprise computing, with DZone’s 2023 report revealing that 80% of enterprises have adopted it. But every one of those 80% knows that Kubernetes management becomes critical as you scale using containerization. Kubernetes isn’t set-and-forget. Instead, you must constantly look for optimizations and efficiencies in your Kubernetes use. One of the best options for managing these burdens is a Kubernetes API gateway. API gateways act as a critical intermediary between your Kubernetes-managed microservices and the external traffic they handle. They simplify the complexity of managing multiple services by offering a single entry point consolidating service calls into a unified interface.

November 17, 2023 | 10 min read

Kubernetes API Gateway

Livin’ On the Edge S3 Ep3: Unlocking the Power of Istio and Coraza

On Season Three, Episode Three of the Livin’ on the Edge podcast, I spoke with Jose Carlos Chavez, who is a software engineer at Tetrate and heavily involved with Istio, an open-source service mesh, that has been making waves in the world of microservices and cloud-native applications. Istio offers a range of features for traffic management, security, and observability, making it a valuable tool for developers and DevOps teams. In this episode, Jose Carlos dove into his background in software and observability, including his experience with open tracing and open telemetry. Just like Ambassador and our Emissary-Ingress tool, Istio is also a part of the Cloud Native Computing Foundation (CNCF). This reflects Istio's importance within the cloud-native ecosystem, emphasizing its role in modern application development. His alignment with the CNCF extends to considerations of security. Jose Carlos emphasized in our conversation that Istio's role in the CNCF landscape is leading to the implementation of even more security features.

November 16, 2023 | 7 min read
Kubernetes Secrets

Kubernetes API Gateway

Managing Configurations and Secrets in Kubernetes: ConfigMaps and Secrets

Configurations and secrets play vital roles in the successful operation of any application. Kubernetes provides dedicated resources, namely ConfigMaps and Secrets, to effectively manage these elements within a containerized environment. Understanding how to leverage ConfigMaps and Secrets is essential for efficient application deployment and maintenance in Kubernetes. In this article, we will discuss the concepts of ConfigMap and Secrets in Kubernetes, explore how to work with ConfigMaps, learn about managing secrets, and understand how to use ConfigMap and secrets in deployments. Then, we will delve into best practices for ConfigMaps and Secrets. What is a Kubernetes ConfigMap?

November 15, 2023 | 11 min read

Telepresence

How to Run a Virtual Machine (VM) on a Local Kubernetes Cluster

Kubernetes has emerged as the de facto standard for container orchestration because it revolutionized the way applications are deployed and managed at scale. But sometimes, it is a good choice to run a GPU-intensive workload, tokenization, or LDAP/Active Directory applications on virtual machines (VMs) instead of containers for security, compatibility, or performance reasons. Virtual machines have long been the go-to technology for running diverse workloads, offering greater isolation, compatibility with legacy applications, and the ability to run operating systems of different types. However, managing VMs in a traditional infrastructure along with containerized applications on Kubernetes can be challenging and time-consuming. This is where Kubevirt steps in, offering a solution that allows you to run versatile and isolated virtual machines (VMs) inside your local Kubernetes cluster. In this article, we will explore how you can harness the power of Kubevirt to efficiently run virtual machines inside your local Kubernetes cluster, enabling you to embrace a hybrid cloud architecture and maximize the utilization of your infrastructure resources. We will dive into the concepts, tools, and best practices required to set up and manage VMs within a Kubernetes environment, providing you with the knowledge and guidance to embark on your VM orchestration journey. Whether you are a developer, an infrastructure engineer, or an IT professional looking to optimize your resource allocation and simplify your deployment pipelines, this article will serve as your comprehensive guide to running virtual machines on a local Kubernetes cluster. So, let's get started.

November 13, 2023 | 8 min read
Kubernetes Best Practices

Telepresence

Kubernetes Best Practices: 11 Tips for Secure & Efficient Cluster Management

Updated as of March 2025 In this article, I’ll highlight Kubernetes best practices that will help developers improve their projects’ performance, security, and costs. 1. Kubernetes best practices for configuration When it comes to configuration, many small things matter, and we need to do these things. Here are some of them:

November 1, 2023 | 13 min read
Buoyant & Cloud-Native podcast

Kubernetes API Gateway

Reviving the Edge: ‘Livin’ On the Edge’ is Back

Flynn from Buoyant & Cloud-Native Happenings In the ever-evolving landscape of cloud-native technology, APIs, Kubernetes, and service meshes, it's crucial to stay up-to-date with the latest developments and insights from experts in the field. That’s why, there’s no better time to revitalize our popular podcast, Livin’ on the Edge. We’re proud to say we’re back and better than ever! To kick off Season Three, we figured who better to bring on the show than Flynn, the Tech Evangelist from Buoyant. Flynn was one of the original creators of Emissary and a previous Ambassador Labs team member himself. As someone who’s been a part of the Emissary and Edge Stack story from the early days, his 40 year’s worth of knowledge and experience is something we can all learn from.

November 1, 2023 | 6 min read
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