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Published January 25, 2019
Caching can be essential piece of keeping your application fast. In this episode we’ll look how we can using caching to reduce the number of database queries in an existing Elixir application.
In this episode we’ll take an existing Elixir Phoenix application and build an Atom feed for it. To build the feed we’ll use the Atomex package.
In this episode we’ll explore one way of mocking external HTTP requests when testing using ExVCR. ExVCR records the actual HTTP request and response and replays it whenever that test runs.
In the final part of this series we’ll use Phoenix Channels to improve the UI so that our coin tracker page updates automatically when a new cryptocurrency price is found.