Category: IT Security

If you’re considering ‘safe deployment’ beyond zero-downtime deployment in a Kubernetes environment, Argo Rollouts’ Analysis feature is not an option, but a necessity. Today, we will thoroughly analyze the differences between the four core triggers that determine the success or failure of a deployment: Pre/PostSyncAnalysis and Pre/PostPromotionAnalysis, and provide a complete guide on when and…

Hello everyone! Today, we’re going to dive deep into the Argo Project, one of the most beloved collections of tools in the Kubernetes ecosystem. 🚀 If you’ve ever wondered, “How can I automate deployments and efficiently manage workflows in a cloud-native environment?”, then Argo is a powerful weapon that provides the answer. Invest just 10…

Hello everyone! Today, we will delve into ArgoCD ApplicationSet and its core, the Generator, which dramatically streamlines multi-cluster and multi-application management in Kubernetes environments. Beyond simply deploying a single application, this tool provides a one-stop solution for concerns like “What if there are 100 clusters?” or “What if staging and production environments are different?” 1.…

We are moving beyond the era of individuals using AI tools to a stage where teams manage and control costs. Especially for repetitive and knowledge-intensive tasks like development, security analysis, document creation, lecture material production, and code review, the combination of an “AI workspace for business” and a “coding agent” has become more important than…

When companies or small teams consider using ChatGPT for work, the first question they often ponder is, “Is it better for multiple people to use individual Plus accounts, or should we use a team plan?” Previously, this plan was called ChatGPT Team, but its current official name is ChatGPT Business. The name has changed, but…

It wasn’t a block on Korea, but a “restriction on access for non-US nationals” Claude Fable 5 is Anthropic’s next-generation high-performance AI model, unveiled in early June 2026. At its launch, Anthropic stated that Fable 5 was “available worldwide,” and the AWS Korea blog also introduced Claude Fable 5 as being available on Amazon Bedrock…

When using Argo CD, a core tool for Kubernetes operations, there are moments when you need more granular control than just manifest deployment. Today, we will clarify misunderstandings about AppProject’s Destination rules that you’ve asked about, and deeply explore Argo CD’s advanced features: workloadRef, sourceRepos, ignoreDifferences, and Slack notification settings, so you can immediately apply…

When automating Kubernetes workflows, you’ll eventually notice countless completed Pods accumulating in your cluster. When you start wondering, “Do I have to delete these one by one?”, you’ll encounter two key settings: ttlStrategy and podGC. Today, we’ll delve into the usage and crucial differences between these two features that help keep resources tidy in Argo…

When operating Kubernetes and ArgoCD, you might occasionally encounter situations where you think, “This resource isn’t updating and keeps throwing errors, what’s going on?” At such times, the magical option that comes to our rescue is the Replace feature. Today, we’ll delve deep into what ArgoCD’s Replace feature is, why it’s needed, and how to…

Reliably operating complex batch jobs, CI/CD pipelines, and data processing workflows in a Kubernetes environment is no easy feat. Especially crucial are handling unexpected failures, managing reusable templates, and controlling the number of concurrently executing tasks. Today, we will delve deeply and thoroughly into Argo Workflows’ core advanced features: Retry Strategy, WorkflowTemplateRef, and Semaphore. Through…