Project Name: Dummy Spring Boot

Tools & Services:

CI / Build Server - AWS EC2 Instance ( Ubuntu 20.04, t2.medium)
- Installed tools:
  - Docker
  - Jenkins
  - aws-cli
  - kubectl
Local tools needed
- kubectl
- eksctl
- aws-cli

Part 1

Application Test

cloned the repo

git clone https://gitlab.com/bcfmkubilay/dummy-spring-boot

build the application building image with docker/build/Dockerfile

docker build -t helloworld:0.0.1-build docker/build

create artifact

docker run --rm -v $PWD:/app helloworld:0.0.1-build

build the release images with /dummy-spring-boot/Dockerfile

docker build -t helloworld:0.0.1-release .

run the application with the release image

docker run -d -p 8080:8080 helloworld:0.0.1-release

Part 2

create dummy-cluster

eksctl create cluster --region eu-west-1 --node-type t2.medium --nodes 1 --nodes-min 1 --nodes-max 2 --node-volume-size 8 --name dummy-cluster

configure nginx-ingress controller aws provider

kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.3.0/deploy/static/provider/aws/deploy.yaml

configure nginx-ingress

kubectl apply -f ingress.yml

ingress.yml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-service
  annotations:
    kubernetes.io/ingress.class: 'nginx'
    nginx.ingress.kubernetes.io/use-regex: 'true'
    nginx.ingress.kubernetes.io/rewrite-target: /$1
spec:
  rules:
    - http:
        paths:
          - path: /?(.*)
            pathType: Prefix
            backend:
              service:
                name: dummy-spring-svc
                port:
                  number: 8080

configure service

kubectl apply -f service.yml

service.yml

apiVersion: v1
kind: Service
metadata:
  name: dummy-spring-svc
  labels:
    name: dummy-spring-svc
spec:
  type: LoadBalancer 
  ports:
  - port: 8080  
    targetPort: 8080
  selector:
    app: dummy-spring

Part 3

install Jenkins, AWS CLI, kubectl, Docker on EC2 Instance

create IAM User for accessing AWS ECR and AWS EKS services

add aws config

update kube config

aws eks --region eu-west-1 update-kubeconfig --name dummy-cluster

Part 4

add Jenkins build job add Jenkins deploy job

run Jenkins build job run Jenkins deploy job

Part 5

list ingress services

kubectl get ingress

a4361f175af46440c935a9cab46afd39-d42970367fc62a67.elb.eu-west-1.amazonaws.com