docker-compose/script/build/test-image

#!/bin/bash

set -e

if [ -z "$1" ]; then
    >&2 echo "First argument must be image tag."
    exit 1
fi

TAG=$1

docker build -t docker-compose-tests:tmp .
ctnr_id=$(docker create --entrypoint=tox docker-compose-tests:tmp)
docker commit $ctnr_id docker/compose-tests:latest
docker tag docker/compose-tests:latest docker/compose-tests:$TAG
docker rm -f $ctnr_id
docker rmi -f docker-compose-tests:tmp