List docker container tags from docker hub

dockerhub_versions

REPO_NAME=myorg/myrepo

# get token from Docker Hub
DOCKER_HUB_TOKEN=$(curl -s -H "Content-Type: application/json" -X POST -d '{"username": "'${DOCKER_HUB_USERNAME}'", "password": "'${DOCKER_HUB_PASSWORD}'"}' https://hub.docker.com/v2/users/login/ | jq -r .token)

# get tags for repo
IMAGE_TAGS=$(curl -s -H "Authorization: JWT ${DOCKER_HUB_TOKEN}" https://hub.docker.com/v2/repositories/${REPO_NAME}/tags/?page_size=10000 | jq -r '.results|.[]|.name')

# generate a file containing each version on a new line excluding latest
printf '%s\n' ${IMAGE_TAGS#latest} > versions