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Cloud computing enables businesses to store and manage data, host applications, and utilize computing power on-demand without physical infrastructure. This flexible and scalable approach to IT infrastructure offers cost-efficiency, easy accessibility and allows organizations to focus on core competencies rather than infrastructure management.

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CLOUD

Microsoft Azure cost management in cloud-based software development

Software development, testing and R&D activities very often require considerable cloud resources. At the same time, these are dynamic environments which can lead to ballooning cloud costs. Public clouds such as AWS, GCP or Microsoft Azure have native mechanisms to manage and optimize spend, but they can’t prevent you from incurring unwanted and uncontrolled costs. This led us to create our own cloud cost optimization solution. In this, the final part of our three-part series, we will show you how to build an Azure cost management solution.
Sebastian Piech

Sebastian Piech

on Apr 26, 2021
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CLOUD

How to optimize GCP costs in cloud-based software development

Scalability, availability and high availability—these are the advantages that make public clouds a must have in modern software development. But they can cost you dearly if you don’t manage your cost spending carefully. In the second part of our three-part series on cloud cost optimization, we will show you how to get the GCP bill under control and avoid unexpected cloud costs. Following up on our initial blog about AWS, we’ll now turn to building a cost management solution for the second public cloud: Google Cloud Platform (GCP).
Sebastian Piech

Sebastian Piech

on Mar 17, 2021
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CLOUD

AWS cost optimization — keeping cloud-based software development costs under control

Public clouds are now indispensable in modern software development. They offer flexibility, scalability and high availability. At the same time, cloud cost management can be tricky, and generate unwanted spend that will be a considerable burden for the overall budget of your software project. In our three-part series on cloud cost management, you will read how to keep costs under control in the three most popular public clouds: AWS, GCP and Azure. In this first installment, we will present our approach to AWS cost optimization.
Sebastian Piech

Sebastian Piech

on Feb 24, 2021
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CLOUD

Deploying a Kubernetes operator in OpenShift 4.x platform

Contrail-operator is a recently released open-source Kubernetes operator that implements Tungsten Fabricas a custom resource. Tungsten Fabric is an open-source Kubernetes-compatible, network virtualization solution for providing connectivity and security for virtual, containerized or bare-metal workloads. An operator needed to be adjusted to the OpenShift 4.x platform, which introduced numerous changes to its architecture compared with previous versions. In this blog post, you’ll read about three interesting use cases and their solutions.
Szymon Krasuski

Szymon Krasuski

on Jan 20, 2021
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NETWORKS
CLOUD

How to create a custom resource with Kubernetes Operator

While developing projects on the Kubernetes platform I came across an interesting problem. I had quite a few scripts that ran in containers and needed to be triggered only once on every node in my Kubernetes cluster. This could not be solved using default Kubernetes resources such as DaemonSet and Job. So I decided to write my own resource using Kubernetes Operator Framework. How I went about it is the subject of this blog post. When I confronted this problem, my first thought was to use a DaemonSet resource that utilizes initContainers and then starts a dummy busybox container running `tail -f /dev/null` or another command that does nothing.
Szymon Krasuski

Szymon Krasuski

on Nov 12, 2020
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QUALITY ASSURANCE
CLOUD

How to build a test automation framework in the cloud

Have you ever wondered how to set up a test automation framework directly in the cloud? Well, in this blog post you will learn about everything you’ll need to successfully create such a framework. We’re going to look at the pros and cons of preconfigured testing environments and those that are created dynamically. We’ll then show you how to include software testing in a CI/CD pipeline and achieve high level automation. Finally, we’ll break down what a message broker is and how it can be used when creating a testing architecture.
Marek Bobcow

Marek Bobcow

on Jan 9, 2020
Thumbnail of an article about Security in Kubernetes — overview of admission webhooks
CLOUD

Security in Kubernetes — overview of admission webhooks

This blog post is a continuation of two previous posts on security mechanisms in Kubernetes. If you have not yet read them, click here for part 1 and part 2 to see how you can provide an adequate level of security in Kubernetes deployments. Existing admission controllers are very useful, as they allow you to validate or modify requests to a Kubernetes API server. However, they have two limitations: They have to be compiled into an API server and can be configured only on the API server startup. The flexibility of admission webhooks helps solve these problems.Once enabled, their behavior depends on the special application running inside the Kubernetes cluster.
Marcin Szumilak

Marcin Szumilak

on Jun 23, 2019
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CLOUD

How to make your Kubernetes cluster secure

In the last couple of years Kubernetes (K8s) has become one of the most popular tools for running containerized applications. Many cloud companies, major ones among them, have adopted it to orchestrate their container-based workloads. Given its popularity, the problem of K8s security is becoming even more pressing. Read our two-part blog post series on how to make a Kubernetes cluster secure. Part one provides a brief history of virtualization, presents admission controllers and how they work and shows how Pod Security Policies, a powerful admission controller, can help you manage user actions on Kubernetes cluster.
Marcin Szumilak

Marcin Szumilak

on Jun 11, 2019
Thumbnail of an article about The benefits of Pod Security Policy — a use case
CLOUD

The benefits of Pod Security Policy — a use case

In the previous post I looked at how security is handled in Kubernetes. Let’s now see how it works in practice. One of the most powerful controllers is the Pod Security Policy admission controller (PSP). PSP is a cluster-level security mechanism that enables control over sensitive aspects of pod specification. It allows you to define a set of conditions a pod must meet in order to be accepted into the system.The following use case illustrates how it works. Let’s assume that we have a shared file system
Marcin Szumilak

Marcin Szumilak

on Jun 11, 2019
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CLOUD

Six reasons you may need a Managed Cloud Service Provider

According to Forrester data, 2019 will be the year when companies begin moving their core apps and operations into the cloud. As many companies have already seen, there are numerous benefits of cloud transformation and multiple vendors to choose from. According to RightScale, a full 91% of companies already use public cloud, 72% have used a private cloud and 58% of companies employ a multi-cloud strategy. With 91% of the organizations surveyed by CompTIA using some form of cloud computing, it is safe to say that companies are getting more and more cloud-reliant.
Konrad Budek

Konrad Budek

on May 28, 2019
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