Helper script for pushing a Docker image to ECR

push_docker_image_to_ecr.sh

#!/bin/bash


function push_it {
    docker tag $DOCKER_IMAGE_TAG $AWS_ACCOUNT_ID.dkr.ecr.$AWS_REGION.amazonaws.com/$AWS_ECR_NAME

    docker push $AWS_ACCOUNT_ID.dkr.ecr.$AWS_REGION.amazonaws.com/$AWS_ECR_NAME
}

function usage {
    echo "Usage: $0 -t <docker_image_tag> -a <aws_account_id> -r <aws_region> -n <erc_repo_name>"
    exit 1;
}

while getopts ":h:t:a:r:n:" opt; do
    case "${opt}" in
        t) DOCKER_IMAGE_TAG=${OPTARG};;
        a) AWS_ACCOUNT_ID=${OPTARG};;
        r) AWS_REGION=${OPTARG};;
        n) AWS_ECR_NAME=${OPTARG};;
        *) 
            usage
            ;;
    esac
done
shift $((OPTIND-1))

if [ -z "${DOCKER_IMAGE_TAG}" ] || [ -z "${AWS_ACCOUNT_ID}" ] || [ -z "${AWS_REGION}" ] || [ -z "${AWS_ECR_NAME}" ];then
    usage
fi

#all good
push_it