publish docker image to dockerhub with a provided name

publish-docker-image.sh

#!/usr/bin/env bash

# get docker image name from input
docker_image=$1

# remove local docker image 
docker rmi $docker_image

# build new docker image
docker build .

# get the ID of new dangling image
docker_image_id=$(docker images -q --filter dangling=true)

# tag docker image
docker tag "$docker_image_id" "$docker_image"

# push docker image
docker push $docker_image