Success! I got my website configured to post to the Fediverse. I was previously doing POSSE (Post on your Own Site Sindicate Elsewhere) via RSS and Azure Logic Apps, that was just posting links to posts on my website and I had to run a separate Mastodon server. Now, the post itself is a Note in the Fediverse and my website itself is a node on the Fediverse. That means I should be able to get rid of my Mastodon instance. Since it was a single-user instance, this solution works just as well if not better. It's a bit hacky for now but I got it working by stitching together Azure Functions APIs in Azure Static Web Apps and cron jobs using GitHub Actions.
Here's what a recent post looks like in the Mastodon timeline.