docker-compose up -d
open http://localhost:80

docker-compose scale web=5

docker-compose scale web=2

    docker-compose scale web=5

 if Available memory 2 GB means . we can spin up count * 50 MB == 2GB -50MB (LB)
 we can use kubernetes to limit the memory and cpu very well. it will help to find out the capacity accurately.

 we can not expose /var/run/docker.sock . so we can avoid using kubernetes API to get the Nginx container IP address.
 we can use clair tool as part of CI/CD to scan image layer and identify the security issues. we can create base image and keep updating the patches with that.