Microsoft Azure Well-Architected Framework

This is a nice framework. The framework is guiding Architects through pillars of architecture excellence: Cost Optimization, Operational Excellence, Performance Efficiency, Reliability, and Security.

https://docs.microsoft.com/en-us/azure/architecture/framework/

See also Design Patterns: https://docs.microsoft.com/en-us/azure/architecture/patterns/

And Azure Architecture Center: https://docs.microsoft.com/en-us/azure/architecture/