Here are some useful links that I’ve compiled over the years.

Azure

Azure Tips and Tricks
https://microsoft.github.io/AzureTipsAndTricks/

Azure Reference Architecture

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

Azure Solution Architecture

https://azure.microsoft.com/en-gb/solutions/architecture/

Dynamics 365 Finance & Operations

Dynamics 365 for Finance and Operations Technical and Functional Blog
https://dynamicsaxinsight.wordpress.com/