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A HTML version of this file is published at https://redhat-developer-demos.github.io/istio-tutorial/
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The source code is available at https://github.com/redhat-developer-demos/istio-tutorial
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Download the ebook "Introducing Istio Service Mesh for Microservices" for FREE at https://developers.redhat.com/books/introducing-istio-service-mesh-microservices/.
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If you are in a hurry and want to get hands-on with Istio insanely fast, just go to http://learn.openshift.com/servicemesh and start instantly.
There are three different and super simple microservices in this system and they are chained together in the following sequence:
customer → preference → recommendationFor now, they have a simple exception handling solution for dealing with a missing dependent service: it just returns the error message to the end-user.