Kubernetes
 with Java Kubernetes
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7 ■miniKube – Windows
 exe (minikube-windows-amd64.exe) https://github.com/kubernetes/minikube/releases    

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12 ■ %  #Ingress
$ Kubernetes  Cluster Node Pod " ! Service Ingress internet Node Pod " ! Node Pod " ! Service 

13 ■Node/Cluster Node^cIk8sbv€„n‡ŽpVlYgbVM`KT24w…bR^J k8sn94Vl‰=dIŠxN) Vl\bv€„NRmj Node
]@SmlJNodebHnCliuter^e ■Pod k8s]b‡Žpb,!JPodc“
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a"FSmlk8s-b0$J Podb3#c&TYv€„c\+aUNodea‡ŽpSmlJRm aik<VlA*b‡Ž{z‘v€„’]1%SmY“Zbo‡uy‹ ]LKnBZQhVPT“ZbH^T\‡Žp/l ‘”…z‡Žry^o‡uy‹Io‡uy‹b†Ž‚^…sq ƒ`_b:W’ – Pod bv€„clocalhost;6]D ]Ol – EMj8(Podfcos{zc/`K – Label:k8s]94Sm\Kl|zc>a[O?7a.I‡ŽpS mlNXbGaŒ~ˆ`N?7a'jmlIXmjnBZQhVPVlY gPoda T\}tnVlR^N/l Kubernetesb5C[1/3] 

14 ■Service $Pod?8;
IPK]hVJ G;Hk8s@"<.!? ServiceB@KRWV3Pod?G 5FIH@ck\lJ%9H6=?EG.ReVY2FNodePortTk`V? KRWV<4C9 ■ LoadBalancer:ReN]bi_MZ@ik]_ejTJ8;)?Tk`VJ* 8C9(
minikubeA,) ■ ExternalName:DNS@CNAMEhSk]J&9H6=?EG.ReVY) 5@OM fKVJ9H/6I?A_kUdj1.7@kube-dns3% Kubernetes@'[2/3] 

15 ■Ingress IngressYServiceW[]ICAdServiceW{€joNaDHTTP €‚vx|nW-MR8LbREa,CL7SXURLyq‚W_a~‚ sfl^SSL43 /VUX<]7FaD\PCIngressYk8sH2M REa0W_QR*6T8HGcaCGCPSYGCPXCAWSSYAWS X0W QPS{€joH Lba ■Replica Set PodX{}i$ƒPodXmsw$„d5!/=Na*6DmswH" MP{}i$_`]VE Y%PWmswd?MCFNJRa Ymswd BM{}i$d5!Na ■Deployment Pod^Replication SetsX:er{t‚u*6d#DDeploymenth zpgkuS(Na.d;@NbZDeployment ControllerH9+M P.W&MRKba OX
W]Kubernetes'X)C1>H$Na KubernetesX1>[3/3] 

3.  
 

17 Minikube"k8s)#&   %'8=.=! $ ;=*:7/=<!VM k8+901!,<24) '$ !-=6(Kubernetes Master)
5=3!k8s+901)(' >
Minikube " Ingress"? Minikube" ;=*:7/=< (Linux,Mac OS,Windows) VM(VirtualMachine) Kubernetes(minikube) Kubernetes Master Node (1!#) 

18 ■ – virtualBox 4Q- – -9IQC)8M<>2%0 – -9IQC):RERER;LQ2 &/ Windows
,kubernetes 2%0 $ minikube config set vm-driver virtualbox $ minikube start $ minikube version 

4. 
 

20
/8*#8 Docker6()-4 Spring Boot REST APIDocker"29(! Kubernetes&8+.#9%)- 69'38! ■Docker6()-4 – docker.io/uls555/getting-started-k8s-with-java ■,07" /8*#8 Docker Hub 79$51'98 Docker Image  REST API minikube push pull    

21
 REST API REST API Docker Hub   Docker Image   REST API minikube 

22 /%-Pod,6 4+Pod
,@EL86#'04J>M< - GCD9

23 nPod Pod
 [2/2] $ kubectl delete pod rest-api 

24 Pod/
"$Pod "$+, /%$ +*) !.*Replica Set/"&+Pod/
#- ■Replica Set+ (
– +'replicaset.yaml/
– Replica Set/
Replica Set/"$1230[1/2] apiVersion: extensions/v1beta1 kind: ReplicaSet metadata: name: rest-api-rs spec: replicas: 3 template: metadata: labels: app: my-rest-api spec: containers: - image: docker.io/uls555/getting-started-k8s-with-java:v1 imagePullPolicy: Always name: rest-api $ kubectl create -f replicaset.yaml
#-Pod+ Pod+  

25 ■Pod  ■Pod  Replica SetPod " Pod" Pod – Pod ■Replica Set Replica Set"$%&#[2/2] $ kubectl get pod NAME READY STATUS RESTARTS AGE rest-api-rs-6xpqf 1/1 Running 0 1m rest-api-rs-m1x43 1/1 Running 0 1m rest-api-rs-pbsmk 1/1 Running 0 1m $ kubectl delete pod rest-api-rs-m1x43 $ kubectl get pod NAME READY STATUS RESTARTS AGE rest-api-rs-6xpqf 1/1 Running 0 4m rest-api-rs-m1x43 1/1 Terminating 0 4m rest-api-rs-n92wz 0/1 ContainerCreating 0 5s rest-api-rs-pbsmk 1/1 Running 0 4m !Pod 
!Pod $ kubectl delete replicaset rest-api-rs 

26 Replica Set0!/$  k8s
&-%Deployment0 !/$&,.6;?2' k8s
&/"+'9A4=@& & /$/ ■Deployment'$6;?2 – '#deployment.yaml0 – 6;?2 Deployment0 "6;?2[1/3] apiVersion: apps/v1beta1 kind: Deployment metadata: name: rest-api-dep spec: replicas: 3 template: metadata: labels: app: my-rest-api spec: containers: - image: docker.io/uls555/getting-started-k8s-with-java:v1 imagePullPolicy: Always name: rest-api <8:357:12>( RepulicsSet$)* $ kubectl create -f deployment.yaml 

27 ■Pod ■Deployment – Replicas4  Deployment
  [2/3] $ kubectl get pods NAME READY STATUS RESTARTS AGE rest-api-rs-6xpqf 1/1 Running 1 9h rest-api-rs-n92wz 1/1 Running 1 9h rest-api-rs-pbsmk 1/1 Running 1 9h apiVersion: apps/v1beta1 kind: Deployment metadata: name: rest-api-dep spec: replicas: 4 template: metadata: labels: app: my-rest-api spec: containers: - image: docker.io/uls555/getting-started-k8s-with-java:v1 imagePullPolicy: Always name: rest-api replica4  

28 ■Deployment – Deployment  ■Pod – Pod14  Deployment [3/3] $ kubectl get pods NAME READY STATUS RESTARTS AGE rest-api-rs-6xpqf 1/1 Running 1 9h rest-api-rs-9b0sl 1/1 Running 0 10s rest-api-rs-fbcdf 0/1 ContainerCreating 0 10s rest-api-rs-pbsmk 1/1 Running 1 9h $ kubectl apply -f deployment.yaml 


29 Service7 (,&62- (*Pod7
+0/(*8=;97 5..3/#407Pod/)5 ■Service0 . – 0 -service.yaml7 – Service7 ■Service0 Service0 [1/3] kind: Service apiVersion: v1 metadata: name: rest-api-service spec: type: NodePort selector: app: my-rest-api ports: - port: 8080 targetPort: 8080 $ kubectl create -f service.yaml Service01Nodeport7)5
minikube-1LoadBalancer1 Pod0Lavel/ app:my-rest-api!$ '6,"5Pod7%5 )5Service0<=:.Pod0<=:7 %5 $ kubectl get services NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE kubernetes 10.0.0.1 443/TCP 11h rest-api-service 10.0.0.51 8080:31372/TCP 1m 

30 ■ Service  – Node IP –   ■Deployment  –  v2 Service
[2/3] $ minikube ip 192.168.99.100 http://192.168.99.100:31372 apiVersion: apps/v1beta1 kind: Deployment metadata: name: rest-api-dep spec: replicas: 4 template: metadata: labels: app: my-rest-api spec: containers: - image: docker.io/uls555/getting-started-k8s-with-java:v2 imagePullPolicy: Always name: rest-api v2 

31 ■Deployment –  ■ Deployment &)-'!"%+ #/$*&0' .0,/ $*&0'  –  ■Deployment.0-($ – .0-($ –  Service
[3/3] $ kubectl apply -f deployment.yaml deployment "rest-api-dep" replaced $ curl 192.168.99.100:31372 {"message":"Hello World!","version":"v2"} $ kubectl rollout undo deployment/rest-api-dep deployment "rest-api-dep" rolled back $ curl 192.168.99.100:31372 {"message":"Hello World!","version":"v1"} 

32 Deployment0#.!'&:<9;31586<7+% )- ,/( Blue/Green Deployment*(0- +Service 0"-. . ■)Deployment0
– *&deployment-v3.yaml0
– 68:2 Service0"$Blue/Green Deployment[1/2] apiVersion: apps/v1beta1 kind: Deployment metadata: name: rest-api-dep-v3 spec: replicas: 3 template: metadata: labels: app: my-rest-api-v3 spec: containers: - image: docker.io/uls555/getting-started-k8s-with-java:v1 imagePullPolicy: Always name: rest-api Deployment* '4 30v3) $ kubectl create –f deployment-v3.yaml 

33 – Deployment ■Service – ServicePod
 selector  –  ServiceBlue/Green Deployment[2/2] $ kubectl get deployment NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE rest-api-dep 4 4 4 4 3h rest-api-dep-v3 4 4 4 4 23m kind: Service apiVersion: v1 metadata: name: rest-api-service spec: type: NodePort selector: app: my-rest-api-v3 ports: - port: 8080 targetPort: 8080 PodLavel app:my-rest-api-v3 Pod
 $ kubectl apply -f service.yaml service "rest-api-service" configured $ curl 192.168.99.100:31372 {"message":"Hello World!","version":"v3"} 

5. 


35 ■minikube start%* – Node –
  ”.minikube”!("&minikube  "%#'$* ) $ minikube stop $ minikube delete $ minikube start 

36 >  ■ WEB1-5 – Using Kubernetes on Google Container Engine https://www.slideshare.net/enakai/using-kubernetes-on-google-container-engine – Docker& %$2 @Kubernetes@ https://oss.sios.com/yorozu-blog/yorozu-20151216 – Docker0=46, )!(Kubernetes http://tech.uzabase.com/entry/2015/02/13/180743 – minikube Windows " Kubernetes ,) http://takaya030.hatenablog.com/entry/2017/04/30/191727 – kubernetes +)23-;
9-.<1?72'!&'!
http://sssslide.com/speakerdeck.com/sgeengineer/kubernetesdebian-warukai-fa-sutairu- maikurosabisuziyanakutemoiiziyanai – Kubernetes +*) http://qiita.com/t-yotsu/items/f565b2d788a3b98fe762 ■  – 8