How the repositories are connected to each other?

• https://github.com/basexhq/front-end
• https://github.com/basexhq/back-end
• https://github.com/basexhq/smart-contract

Front-end

Vercel.

Still resolving some UI / UX issues discovered in the process of onboarding first user, see GitHub issues

Back-end

Heroku.

It used to be cyclic but issues with SQLite and serverless

https://www.cyclic.sh/

(contrary Vercel it allows to run Express in server mode, as opposed to serverless)

Decentralization

Progressive Decentralization: A Playbook for Building Crypto Applications | Andreessen Horowitz