Devops Example Project

repo containes:

• Two dockerfiles showcasing two ways of implementing an nginx container talking to an RDS databas. one with two containers and one with nginx with lua (tech called openresty)

• Three Github actions workflows, to push to aws elastic container registry, and to update EKS cluster.

• Aws code pipelines to push containers to fargate elastic container service

• Terraform code for deploying an elastic kubernetes cluster on aws and deploy the app. EKS uses a seperate subnet with vpc peering and dns resolution.

dev environment :

(with kubernetes in docker)
docker rm -f $(docker ps -aq); docker rmi -f $(docker images -aq)

docker-build-and-push-to-docker-hub.sh && kubectl apply -f kubernetes-dev.yaml && kubectl get svc commit-service

then go to the port mapped to 443 - https://localhost:port

afterwards

kubectl delete -f kubernetes-dev.yaml && docker rmi -f $(docker images -aq)

  
  

prod environment:

fargate ecs:

aws rds start-db-instance --db-instance-identifier database-1

aws ecs update-service --cluster ecs-cluster-commit --service commit-openressty --desired-count 1

aws ecs update-service --cluster ecs-cluster-commit --service commit-flask-nginx-gunicorn-v2 --desired-count 1

  

https://< ip >
https://< ip >/query

  

kubernetes cluster:

tf init && tf plan

tf apply

aws rds start-db-instance --db-instance-identifier database-1

  

to wrap up

kubectl delete -f ../kubernetes-openresty.yaml

k get svc (and follow the link)

  

aws ecs update-service --cluster ecs-cluster-commit --service commit-openressty --desired-count 0

aws ecs update-service --cluster ecs-cluster-commit --service commit-flask-nginx-gunicorn-v2 --desired-count 0

aws rds stop-db-instance --db-instance-identifier database-1

tf destroy