====== K8S Dev Workflow ======
===== - Code to image =====
==== - Create Image ====

Create image from Dockerfile, S2I, etc..

See other tutorials

==== - Upload Image to docker hub ====
TBD

===== - Update image version in deployment yaml =====

== Rolling update output ==
<code>
dang@localhost:~/.../service-directory-chariot/k8s-resource-manifests> kubectl apply -f  sd-rest-deployment.yaml 
deployment.extensions/service-directory configured
dang@localhost:~/.../service-directory-chariot/k8s-resource-manifests> kubectl describe deployments. service-directory 
Name:                   service-directory
Namespace:              default
CreationTimestamp:      Fri, 08 Feb 2019 11:05:54 +0100
Labels:                 app=sd-rest
Annotations:            deployment.kubernetes.io/revision: 2
                        kubectl.kubernetes.io/last-applied-configuration:
                          {"apiVersion":"extensions/v1beta1","kind":"Deployment","metadata":{"annotations":{},"name":"service-directory","namespace":"default"},"spe...
Selector:               app=sd-rest
Replicas:               2 desired | 2 updated | 2 total | 2 available | 0 unavailable
StrategyType:           RollingUpdate
MinReadySeconds:        0
RollingUpdateStrategy:  1 max unavailable, 1 max surge
Pod Template:
  Labels:  app=sd-rest
  Containers:
   gtarc-sd-rest:
    Image:        gtarc/service-directory:v1.3
    Port:         8080/TCP
    Host Port:    0/TCP
    Environment:  <none>
    Mounts:       <none>
  Volumes:        <none>
Conditions:
  Type           Status  Reason
  ----           ------  ------
  Available      True    MinimumReplicasAvailable
OldReplicaSets:  <none>
NewReplicaSet:   service-directory-5679f59b89 (2/2 replicas created)


Events:                         <-------------------------- ROLLING UPDATE - Read events!!


  Type    Reason             Age   From                   Message
  ----    ------             ----  ----                   -------
  Normal  ScalingReplicaSet  11s   deployment-controller  Scaled up replica set service-directory-5679f59b89 to 1
  Normal  ScalingReplicaSet  11s   deployment-controller  Scaled down replica set service-directory-64dbf94996 to 1
  Normal  ScalingReplicaSet  11s   deployment-controller  Scaled up replica set service-directory-5679f59b89 to 2
  Normal  ScalingReplicaSet  4s    deployment-controller  Scaled down replica set service-directory-64dbf94996 to 0

</code>