DevOps Glossary

• DevOps Glossary
• A:
• B:
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• D:
• E:
• F:
• G:
• H:
• I:
• J:
• K:
• L:
• M:
• N:
• O:
• P:
• Q:
• R:
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• W:
• X:
• Y:
• Z:

DevOps Glossary

This glossary lists common Kubernetes and DevOps terms used in this documentation, along with a short explanation and their context in our system.

A:

Term	Description	Context
ArgoCD	GitOps deployment controller that applies Helm charts from Git automatically	GitOps, Deployment Tool

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B:

Term	Description	Context

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C:

Term	Description	Context
CI/CD	Continuous Integration / Deployment – automates building and delivering apps	Pipeline, GitLab, ArgoCD
ConfigMap	Injects key-value configuration into pods	Kubernetes Manifest

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D:

Term	Description	Context
Deployment	Defines how to manage a stateless application	Kubernetes Manifest

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E:

Term	Description	Context
etcd	Distributed key-value store used to store cluster state	Cluster, Control Plane

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F:

Term	Description	Context

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G:

Term	Description	Context
GitLab CI	CI engine that builds container images and Helm charts	CI/CD, Container Build

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H:

Term	Description	Context
Helm	Tool to package and deploy applications to Kubernetes	Deployment Tool
Helm Chart	A Helm package – contains Kubernetes manifests and templates	Helm, GitOps

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I:

Term	Description	Context
Ingress	Routes external HTTP/S traffic to services in the cluster	Kubernetes Manifest

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J:

Term	Description	Context

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K:

Term	Description	Context
K9s	Terminal UI to interact with Kubernetes resources	Tooling, Observation
kubeconfig	Configuration file that defines how to access a Kubernetes cluster	Access, Local Dev
kubectl	CLI to interact with Kubernetes resources	Tooling, Admin Tasks
Kubernetes	Container orchestration system for scaling and managing applications	Base Platform

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L:

Term	Description	Context

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M:

Term	Description	Context

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N:

Term	Description	Context
Namespace	Logical isolation of Kubernetes resources	Cluster Resource
Node	A physical or virtual machine in the cluster that runs workloads	Cluster Infrastructure

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O:

Term	Description	Context

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P:

Term	Description	Context
Pod	The smallest deployable unit in Kubernetes	Kubernetes Manifest
PVC	A request for persistent storage from a pod	Storage, Manifest

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Q:

Term	Description	Context

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R:

Term	Description	Context
RBAC	Role-based access control to restrict actions on Kubernetes resources	Security, Access Control
RoleBinding	Grants access to resources by binding users or service accounts to roles	Security, RBAC

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S:

Term	Description	Context
Sealed Secrets	Encrypts Kubernetes secrets for Git storage	Secrets, GitOps
Secret	Stores sensitive data like tokens or passwords	Kubernetes Manifest
Service	Provides a stable endpoint to access a set of pods	Kubernetes Manifest
ServiceAccount	Kubernetes identity assigned to a pod	Access Control
StatefulSet	Manages stateful applications with persistent identity and storage	Kubernetes Manifest

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T:

Term	Description	Context

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U:

Term	Description	Context

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V:

Term	Description	Context

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W:

Term	Description	Context

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X:

Term	Description	Context

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Y:

Term	Description	Context
YAML	Data format used for defining Kubernetes manifests	Manifests, Configuration

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Z:

Term	Description	Context

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