Can I run two different backends with different tech stack on the same project? Yes Use replit and since they support nix, you can use caddy (reverse proxy) and redirect traffic to one backend or the other using different paths.
When using "colmena" (a tool to install NixOS in several hosts at once) I was getting a file not found error. The suggested solution was to commit the file to the repository before running the "colmena" command.
If you are using terraform cloud to store your infrastructure state in order to detect if there were changes you need to clean what you reeive like in the picture below. You can also work with the raw text based output.
I spend more than three days with an issue when trying to insert to a Cloudflare D1 database due to lack of understanding on how things work there. After trying a lot of things I'm documenting the break through here for future reference.