Microsoft's Entity Framework supports code as source of truth for at least a decade. They call it "Code First". https://docs.microsoft.com/en-us/ef/ef6/modelin

Microsoft's Entity Framework supports code as source of truth for at least a decade. They call it "Code First". https://docs.microsoft.com/en-us/ef/ef6/modeling/code-first/workflows/new-database https://docs.microsoft.com/en-us/ef/ef6/modeling/code-first/... The open source version Entity Framework Core also.