I tried both - basically it is not working - see below:
1) With HTTPS:
FROM litespeedtech/openlitespeed:1.7.16-lsphp80
WORKDIR /var/www/vhosts
RUN apt update
RUN apt install -y wget
RUN wget https://rpms.litespeedtech.com/debian/enable_lst_debian_repo.sh
RUN bash enable_lst_debian_repo.sh
RUN...