If you environment build are failing with the error message Could not acquire image ID or digest following build then this could indicate you have missed a RUN statement from your Dockerfile instructions. For example, this Dockerfile will generate this error when you try to build it:
echo "ubuntu ALL=NOPASSWD: ALL" >> /etc/sudoers
The command in your Compute Environment's dockerfile should be...
RUN echo "ubuntu ALL=NOPASSWD: ALL" >> /etc/sudoers