Azure SQL Server high DTU Load

The database was having some 100% spikes without any corresponding change in visits of the site/ API

 

I checked and removed duplicated indexes:

A framework that makes responsive email easy

 A framework that makes responsive email easy

https://github.com/mjmlio/mjml

https://www.mailjet.com/pricing/

Making your async code thread safe

Making your async code thread safe | .NET Tips 3

https://www.youtube.com/shorts/mr8kdAauc7E

SemaphoreSlim