Category: IT Security

Hello everyone! Today, we’re going to dive deep into the argocd-cm configuration, which is like the heart of Argo CD, the most powerful tool for realizing GitOps in a Kubernetes environment. 🛠️ If you want to go beyond simple installation, enhance security, check custom statuses, and efficiently manage resources, please read this article to the…

Hello! Argo CD enables Declarative Continuous Delivery (CD) in Kubernetes environments. Behind the simple outcome of “push to Git, and it’s deployed” lies a meticulously designed microservices architecture. Today, we will delve deeply into the main components that make up Argo CD, the data flow between them, and why this structure was designed this way.…

Hello! When implementing GitOps in Kubernetes, Argo CD is undoubtedly our most familiar tool. However, accurately understanding what resources are actually moving beyond the dashboard is another matter entirely. Today, we will delve into the Custom Resources (CRs) that form the core of Argo CD and explore in detail how they connect within the cluster…

Hello! If you’ve used Helm, the Kubernetes package manager, you’ve probably wondered, “Why isn’t my configured value being applied?” or “How do I set up a private repository when using external charts in Argo CD?” Today, we’ll provide a detailed 10-minute guide covering all methods for injecting Helm values, their precedence (priority), and the InitContainer…

Hello! If you’ve been using ArgoCD, a core tool for infrastructure operations and deployment automation, you’ve probably experienced the frustration of seeing “OutOfSync” not appear in the ArgoCD UI even after clearly reflecting changes in Git, or changes taking too long to apply. 😅 Today, we’ll delve deep into ArgoCD’s Cache system, which optimizes its…

Hello! Have you ever used Argo CD and wondered, “Why aren’t my resources automatically deleted?” or “Is there a way to deploy in a specific order?” All the answers lie in the spec.syncPolicy section of your application manifest. Today, we will delve into various synchronization options and policies that complete the sophistication of deployment. 🛠️…

Hello! When practicing GitOps in a Kubernetes environment, you might often wonder, “Can’t I run DB migrations before the application is deployed?” or “Is it possible to send notifications to Slack after deployment is finished?” Argo CD Resource Hooks perfectly solve these requirements. Today, we will delve into the types of Phases (stages) when these…

When collecting logs in an AWS environment, most people initially use CloudWatch Logs. This is because it’s easy to set up, integrates naturally with AWS services, and features like alarms and Logs Insights can be used immediately. However, the story changes when log volumes start to increase. Specifically, if all high-volume logs, such as application…

Hello! We’re going to dive deep into Argo Events, the core of event-driven automation in the Argo ecosystem. This post goes beyond simple conceptual explanations, detailing the entire process from event occurrence to actual workflow execution, and even advanced techniques for designing and controlling multiple conditions. It’s a lot of information, so please focus and…

Hello! This guide is prepared for those who want to build an advanced cloud-native environment using Argo Workflows and Argo Rollouts. The Argo ecosystem has various Templates. Each template defines a step in a workflow or verifies the safety of a deployment, performing its unique role. Today, we will delve into four of these templates…