Kubernetes: Difference between revisions

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| text = It's important to note right up front, before you dive into Kubernetes, that [[minikube]] is the tool for ''local'' Kubernetes.

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For hands-on interactive learning, head over to https://Katacoda.com

Reddit community is at https://www.reddit.com/r/kubernetes/

==Kubernetes Components==

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;Pod: abstraction of a container

;Service: communication between Pods

;Pod:abstraction of a container

;Ingress: route traffic into cluster

;Service:communication between Pods

;ConfigMap: external configuration

;Ingress:route traffic into cluster

;Secret: external configuration

;ConfigMap:external configuration

;Volume: data persistence

;Secret:external configuration

;Volume:data persistence

;Blueprints:

;Deployments: for replication of stateless services; a template for creating pods; Declarative so the Controller Manager can check and ensure system is what we want. Each configuration file has 3 parts: metadata, specification, status (automatically generated and added by K8s)

;Deployments:for replication of stateless services; a template for creating pods; Declarative so the Controller Manager can check and ensure system is what we want. Each configuration file has 3 parts: metadata, specification, status (automatically generated and added by K8s)

;StatefulSet: replication of stateful applications like databases

;StatefulSet:replication of stateful applications like databases

Current status comes from etcd - the "Cluster Brain".

@@ Line 7: / Line 7: @@
 | text = It's important to note right up front, before you dive into Kubernetes, that [[minikube]] is the tool for ''local'' Kubernetes.
 }}
@@ Line 12: / Line 13: @@
 For hands-on interactive learning, head over to https://Katacoda.com
+Reddit community is at https://www.reddit.com/r/kubernetes/
 ==Kubernetes Components==
@@ Line 17: / Line 20: @@
 [[File:Components-of-kubernetes.png|thumb|left|800px|Kubernetes Components|link=https://kubernetes.io/docs/concepts/overview/components/]]
 <br clear="all">
-;Pod: abstraction of a container
-;Service: communication between Pods
+;Pod:abstraction of a container
-;Ingress: route traffic into cluster
+;Service:communication between Pods
-;ConfigMap: external configuration
+;Ingress:route traffic into cluster
-;Secret: external configuration
+;ConfigMap:external configuration
-;Volume: data persistence
+;Secret:external configuration
+;Volume:data persistence
 ;Blueprints:
-;Deployments: for replication of stateless services; a template for creating pods; Declarative so the Controller Manager can check and ensure system is what we want. Each configuration file has 3 parts: metadata, specification, status (automatically generated and added by K8s)
+;Deployments:for replication of stateless services; a template for creating pods; Declarative so the Controller Manager can check and ensure system is what we want. Each configuration file has 3 parts: metadata, specification, status (automatically generated and added by K8s)
-;StatefulSet: replication of stateful applications like databases
+;StatefulSet:replication of stateful applications like databases
 Current status comes from etcd - the "Cluster Brain".