Microservices with Docker on Microsoft Azure™ (includes Content Update Program)

Testing in Production

As we mentioned in the beginning of this chapter, the process of deploying an application to production can be downright frightening. But there are a number of ways you can use to avoid the risk and fear of pushing a new version out to production. Even when your application is fully rolled out, you’re still not done testing, as there are a number of other tests you can do to ensure you have resilient and reliable services.

Canary Testing

Canary testing is a technique used to deploy a new version of your microservice to a small percentage of your user base to ensure there aren’t any bugs or bottlenecks in the new service. To do canary testing, you can use tools like NGINX’s split_clients module to split traffic based on ...