How to Build a Bank Ledger in Golang with PostgreSQL using the Double-Entry Accounting Principle

I wrote a detailed tutorial on FreeCodeCamp about building a secure bank ledger backend in Golang with PostgreSQL, using double-entry accounting principles.
check it out here.
freecodecamp tutorial ink: https://www.freecodecamp.org/news/build-a-bank-ledger-in-go-with-postgresql-using-the-double-entry-accounting-principle/
Backend GitHub repo :
https://github.com/PaulBabatuyi/double-entry-bank-Go
Live demo: https://golangbank.app
Frontend Nextjs Typescript : https://github.com/PaulBabatuyi/double-entry-bank
And incase you want to check out my portfolio: https://paulbabatuyi.app