Edit: it took roughly 40 minutes, but the other comment showed up eventually.
@[email protected], for some reason, your second comment is only visible on beehaw for me. I was not notified, and I saw it just by chance, clicking on your comment from here. I can't comment in there without an account. Anyhow, yes, you can host an instance on Digital Ocean. Lemmy has a comprehensive guide in here: https://join-lemmy.org/docs/en/index.html