todo, rename cicd to ci, rm more stale images

build/build.sh

@@ -10,4 +10,5 @@ now=$(docker inspect $img | jq -r .[0].Id | sed 's/^sha256://')
 docker push $img
 if [ -n "$was" ] && [ "$was" != "$now" ] && docker inspect "$was" &> /dev/null; then
    docker rmi "$was" || true
+   docker rmi $(docker ps | grep ${img%:*} | grep '<none>' | awk '{print $3}') || true
 fi