nginx-web-app
aws ecr get-login-password --region us-east-1 | docker login --username AWS --password-stdin 211125437318.dkr.ecr.us-east-1.amazonaws.com
docker images
docker pull hello-world
docker tag hello-world:latest 211125437318.dkr.ecr.us-east-1.amazonaws.com/nginx-web-app:latest
docker images
docker push 211125437318.dkr.ecr.us-east-1.amazonaws.com/nginx-web-app:latest