damogallagher/springboot-kubernetes

Build application

.mvnw install

Run application

java -jar target/demo-0.0.1-SNAPSHOT.jar

Build container image

docker build -t damogallagher/demo .

Run container locally

docker run -p 8080:8080 damogallagher/demo

Push image to dockerhub

docker login
docker push damogallagher/demo

Create kubernetes deployment and service yaml files

mkdir k8s
kubectl create deployment demo --image=damogallagher/demo --dry-run -o=yaml > k8s/deployment.yaml
echo --- >> k8s/deployment.yaml
kubectl create service clusterip demo --tcp=8080:8080 --dry-run -o=yaml >> k8s/deployment.yaml

Run on kubernetes

cd k8s
kubectl apply -f .

Check service and deployment are running on kubernetes

kubectl get all

Test locally using an SSH tunnel

kubectl port-forward svc/demo 8080:8080

Verify app is running on kubernetes

curl localhost:8080/actuator/health