run singularity from a container just to test it out

Containerfile

# TODO idk what a good base package is
FROM ubuntu:24.04

ARG DEBIAN_FRONTEND=noninteractive
RUN apt-get update && \
    apt-get install -y wget \
                       cryptsetup \
                       libfuse-dev \
                       squashfs-tools \
                       uidmap \
                       fuse \
                       fuse2fs \
                       crun \
    && \
    wget -O /tmp/singularity.deb https://github.com/sylabs/singularity/releases/download/v4.1.3/singularity-ce_4.1.3-noble_amd64.deb && \
    dpkg -i /tmp/singularity.deb && \
    apt-get remove -y wget && \
    apt-get clean && \
    rm -f /tmp/singularity.deb

# TODO somehow this all pulls in libjpeg of all things, how is that even right?

# run with something like podman build -t singularity -f singularity.containerfile && podman run --privileged --rm -it localhost/singularity
# inside container: cd /tmp && singularity pull library://lolcow && singularity shell lolcow_latest.sif