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Node Affinity & Pod Affinity in Kubernetes (k8s)
Control where your Pods run with Kubernetes Affinity and Anti-Affinity rules. Learn how to set, check, and manage scheduling using labels. What is Node Affinity in Kubernetes Node Affinity in…
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Kubernetes Labels: Node, Namespace, Pod Labelling with Examples
In Kubernetes, labels are foundational to how DevOps teams organize, automate, and scale infrastructure. They act as metadata tags—simple key-value pairs that define what a resource is, what it does,…
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Kubernetes Secret: Create, Retrieve and Manage k8s Secret
If your task is to securely configure sensitive data like passwords, tokens, or API keys inside your Kubernetes cluster, then this guide is for you. Kubernetes Secret is the built-in…
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Kubernetes ConfigMap Guide: How k8s Handles Pod Configuration
Kubernetes ConfigMaps provide a flexible way to decouple configuration data from container images, allowing you to manage app settings without rebuilding or redeploying workloads. They store non-confidential data as key-value…
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Yup Enum: Using oneof Method Validation
When validating user input, sometimes you need to ensure a field only accepts one value from a fixed list — like a user role (‘admin’ | ‘editor’ | ‘viewer’) or…
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Kubernetes Image: Get, Update, Pull and Automation
Container images are the backbone of every Kubernetes workload — they define what your Pods run and how they behave. A single typo in an image name or a misconfigured…
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Yup Number Validation: Min, Max, Empty, NaN, Commas
“Yup number” is the schema used in Yup to validate numeric values like integers, floats, and enforce rules such as required, minimum, or maximum. Yup’s number() schema solves real-world problems…
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Zod Number Deep Dive: Enforcing Numeric Rules the Right Way
z.number() is a Zod schema method designed to validate numeric values, forming a fundamental part of the Zod schema system. It ensures that data is properly typed as a number…
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Zod String Guide for Validation and Manipulation
z.string() is a Zod schema method that defines and validates values as primitive strings, forming a core part of Zod schema framework. It is primarily used to ensure that data…
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Zod Transform: Modifying and Reshaping Validated Data
Zod Transform allows you to modify or reshape validated data into a new form using the .transform() method after successful parsing. Zod’s transform solves real-world problems where you need to…
