APP=i3lock

CONTAINER="build-${APP}"
ROOT="/build/${APP}-color"
IMAGE="${CONTAINER}:latest"
TARGET="~/bin"

docker build -t "${IMAGE}" "${APP}" || exit 1
docker run -d --name "${CONTAINER}" "${IMAGE}"

docker cp "${CONTAINER}:${ROOT}/build/i3lock" "${TARGET}/i3lock"

docker remove -f "${CONTAINER}"