Small helper script that automates Docker building and pushing

docker-builder.sh

#!/bin/bash

set -ex

PARENT_DIR=$(basename "${PWD%/*}")
CURRENT_DIR="${PWD##*/}"
IMAGE_NAME="$PARENT_DIR/$CURRENT_DIR"
TAG="${1}"

REGISTRY="hub.docker.com"

docker build -t ${REGISTRY}/${IMAGE_NAME}:${TAG} .
docker tag ${REGISTRY}/${IMAGE_NAME}:${TAG} ${REGISTRY}/${IMAGE_NAME}:latest
docker push ${REGISTRY}/${IMAGE_NAME}
docker tag ${REGISTRY}/${IMAGE_NAME}:latest ${REGISTRY}/${IMAGE_NAME}:${TAG}
docker push ${REGISTRY}/${IMAGE_NAME}