Petclinic

Prerequisite

Linux machine with docker servie up and running and git command line tool

Minikube up and running

helm installed

how to install Docker service on ubuntu: https://phoenixnap.com/kb/install-docker-on-ubuntu-20-04

how to install git command line tool: https://linuxize.com/post/how-to-install-git-on-ubuntu-18-04/

How to install minikube: https://minikube.sigs.k8s.io/docs/start/

How to install helm: https://helm.sh/docs/intro/install/

How to Create docker image

git clone https://github.com/morbendor/Petclinic.git
cd Petclinic/docker_files 
docker build -t <image_name:tag> .

How to save docker image

in order to save the image as file run

docker save -o <save_file_locatio/filename.dockerfile> <image_name:tag>

How to run docker container

 docker run -p 8080:8080 <image_name:tag>
 or 
 docker-compose up -d 

How run image as a pod in minikube

minikube image load <"YOUR_FILE_LOCATION">
example: minikube image load "C:\Users\XYZ\Desktop\Home_challenge\image\petclinic.dockerfile"
cd <"HELM_FOLDER_LOCATION">
example: cd C:\Users\XYZ\Desktop\Home_challenge\helm\
helm install petclinic

Monitor application state

check the pod name with this command and copy the name

kubectl get pods

check application state with this command

kubectl logs -f <POD_NAME_FROM_PREVIOUS_STEP>

wait until you get "Started Jetty Server"

after you see this line close the log mointor with ctl+c

check service name with this command

kubectl get svc

copy the service name

open tunnel from minikube to your PC

minikube service <SERVICE_NAME_FROM_PREVIOUS_STEP>