1) Retrieves the docker login command that you can use to authenticate your Docker client to your registry
aws ecr get-login --no-include-email --region sa-east-1
docker build -t pling-docker .
docker tag <ECR_NAME>:<TAG> <ECR_ID>.dkr.ecr.<REGION>.amazonaws.com/<ECR_NAME>:<TAG>
docker push <ECR_ID>.dkr.ecr.<REGION>.amazonaws.com/<ECR_NAME>:<TAG>