Docker has revolutionized the way developers build, ship, and run applications. With containerization, you can ensure that your apps run consistently across different environments. Whether you’re a beginner or an experienced developer, knowing key Docker commands will make your workflow faster and more efficient! Let’s dive into some essential Docker commands that will supercharge your … Read more
1. Problem StatementA pod is repeatedly crashing and restarting, showing the error status CrashLoopBackOff whenchecking with kubectl get pods. resources: requests: memory: “256Mi”limits: memory: “512Mi” Manually Restart the Podkubectl delete pod <pod-name> -n <namespace>
Kubernetes Role-Based Access Control (RBAC) is a powerful mechanism to manage user permissions and control access to cluster resources. By assigning roles to users or groups, you can granularly define what actions they can perform.Understanding Key Concepts Roles: Define a set of permissions.RoleBindings: Associate roles with users or groups.ClusterRoles: Roles that apply to the entire … Read more
🔍 𝐈𝐬𝐬𝐮𝐞:In Kubernetes, managing secure and controlled access to resources within your cluster is critical. Using default ServiceAccounts may expose your applications to unnecessary risks, leading to potential security vulnerabilities and uncontrolled access to cluster resources. 💡𝐅𝐢𝐱:ServiceAccounts in Kubernetes offer a secure way to control how your applications interact with the Kubernetes API. Here’s how … Read more
Curious about how code makes its way to production? Here’s a glimpse into the typical workflow: 1. Product Vision: The process begins with the product owner crafting user stories based on requirements.2. Sprint Development: The development team selects these user stories from the backlog and incorporates them into a sprint for a two-week development cycle.3. … Read more
Ever thought about how the vital organs in our body can be likened to the essential skills in DevOps? Just as each organ plays a crucial role in keeping us alive, each DevOps skill is vital in ensuring the smooth operation of our systems. Here’s a fascinating analogy to illustrate this: Heart (Automation)The heart pumps … Read more
1. Developer: The developer writes both Terraform configuration files and application code.2. Source Control: The developer commits the code changes to a local Git repository and then pushes these commits to a remote repository.3. Static Code Analysis: Before triggering the CI/CD pipeline, a static code analysis tool like SonarQube scans the code for potential security … Read more
To connect to a Kubernetes cluster, you usually use kubectl. kubectl is a powerful and flexible command-line tool for managing Kubernetes clusters, providing asimple and consistent interface for interacting with Kubernetes resources and performing operations on the cluster. When a user runs a kubectl command, kubectl sends an HTTP request to the Kubernetes API server … Read more
There are several ways to build a k8s cluster, depending on your requirements and the resources you have available. Here are some common approaches: Self-hosted Kubernetes cluster: In this approach, you set up and manage your own Kubernetes cluster on your infrastructure. This requires expertise in Kubernetes andinfrastructure management, but gives you full control over … Read more
