If you want to run docassemble to test it out, you should download and run it using Docker. You can also create a “no code” docassemble interview for free at [Community.lawyer].
If you want to deploy docassemble in the cloud, you can deploy it using a third party provider who will handle the complexities of cloud deployment for you. If you want to deploy it your own way, you can run it using Docker on a cloud-based virtual machine.
If you are interested in looking at the source code of docassemble, you can clone the GitHub repository:
See the Change Log for a description of recent updates.