Part 1 create services -- MINI microservices app
3000 client
4005 event
query service — has posts and comments

part 2 create images and push them to [dockerhub](https://hub.docker.com/u/cjecu) 

part 3 some basic commands
docker build -t cjecu/posts . ## t for tag
docker images
docker run [image id or image tag]
docker run -it [image id or image tag] [cmd -- overide default command which is npm start]
    eg : docker run -it cjecu/posts sh
docker ps
docker exec -it 
docker logs [container id] 

part 4 Kubernetes   
for linux -- needs minikube
service is a way to refer 

kubectl get pods
kubectl exec -it [pod_name] [cmd]
kubectl apply -f [config_file_name]
kubectl describe pod [pod_name]

---
kubectl config view -- for multiple config files