Here is your problem. People give you money if you solve a problem for them (this is called a "value proposition"). You need to get into talks with people who need this enough to whip out the credit card. And you need many of those...
I do like your idea - but honestly, that is a very specific problem that few people have, and those who do are not necessarily the one to make buying decisions. And then there's the "why not just put all of this onto AWS, yolo" folks. Not to mention that your venture right now has a bus number of one: Even if I decided to put cash down on your product, what happens to the code should you get hit by a bus? (This is why it will be hard for you to get business customers)
You need either
- someone who can do the marketing - someone to shadow you - several high-profile customers who are willing to partly finance the development
or you need to understand this as a hobby project.