helm springboot minikube jenkins

docker 19.03.1
windows 10
helm v2.16.3+g1ee0254
minikube = v0.28.2 (localkube bootstrapper)
kubectl = v1.10.0

Note: build and verify can be automated using Makefile

1. minikube start

$ minikube start --bootstrapper=localkube
$ minikube docker-env
$ eval $(minikube docker-env)

2. project folder

docker-spring-boot
  |_ Dockerfile
  |_ docker-compose.yaml
  |_ settings.xml
  |_ charts
       |_ springboot-demo
             |_ Chart.yaml
             |_ values.yaml            
             |_ templates
                  |_ deployment.yaml
                  |_ ingress.yaml
                  |_ service.yaml
  |_ Makefile
  |_ src
       |_ main/java/com.demo/SpringBootAppDemo.java
  |_ pom.xml

3. insecure-registries

$ minikube ip
  192.168.99.214
$ vim C:\Users\my\.minikube\machines\minikube\config.json
  
  "InsecureRegistry": [
         "192.168.99.0/24"
  ]

4. docker registry:2.6.2

$ docker run -d \
  --restart=always \
  -e REGISTRY_HTTP_ADDR=0.0.0.0:5002 \
  -p 5002:5002 \
  --name registry \
   registry:2.6.2

5. build and verify

$ mvn clean install -gs ./settings.xml
  target/docker-spring-boot.jar
$ docker build -t demotest:latest .
$ docker tag demotest:latest 192.168.99.214:5002/demotest:latest
$ docker push 192.168.99.214:5002/demotest:latest
$ curl -k http://192.168.99.214:5002/v2/_catalog

6. docker-run

$ docker run -di 192.168.99.214:5002/demotest:latest -p 8085:8085
$ curl http://192.168.99.214:8085/rest/docker/hello
  hello 

OR

7. helm deploy

$ cd docker-spring-boots/charts
$ helm install -n spring-demo spring-boot-demo/
NAME:   spring-demo
LAST DEPLOYED: Fri Jul 10 03:26:49 2020
NAMESPACE: default
STATUS: DEPLOYED
RESOURCES:
==> v1/Pod(related)
NAME                                             AGE
amber-prawn-springboot-demo-74cc654c9b-4q48s     0s
==> v1/Service
NAME                            AGE
amber-prawn-springboot-demo     0s
==> v1beta1/Deployment
NAME                            AGE
amber-prawn-springboot-demo     0s
NOTES:
1. Get the application URL by running these commands:
  export NODE_PORT=$(kubectl get --namespace default -o jsonpath="{.spec.ports[0].nodePort}" services amber-prawn-springboot-demo)
  export NODE_IP=$(kubectl get nodes --namespace default -o jsonpath="{.items[0].status.addresses[0].address}")
  echo http://$NODE_IP:$NODE_PORT
$ curl http://$NODE_IP:$NODE_PORT/rest/docker/hello

link will provided soon for the github page ..

Jenkinsfile will be added soon for doing integration tests seamlessly….

readiness and liveness probe to be added yet in template files for SpringBoot ….

thats’ all folks take it easy