Continuous integration and Continuous deployment have once again changed for the better. Thanks to automation and Git hooks people are now doing deployments triggered directly off commits. This should drastically improve and speed up the overall CI and deployment paths.

I’m looking to implement this in Microsoft Azure which provides support for this

Continuous Deployment to Azure App Service

We are currently using a three environment configuration : CI, QA and Production with a staging slot meant for blue green deployments (ref: Martin Fowler).