This is step-by-step guide on how to create your Erlang service with the powerful Enot build system. Ensure you have Enot and Erlang installed locally. As a result you will build http service, which will listen the 8080 port and response JSON with service’s version and MAGIC_GREETING operation system’s environment variable or simple “hello world” …
Most of Erlang applications requires configuration variables. It can be: database credentials, metrics report hosts, some system limits and so on. Such variables can be set in application resource configuration file. They can be accessed with application:get_env. You should prefer dynamic configuration instead of hardcoded one. But what if you need different properties in configuration …
With this article, I would like to start a series on “Writing optimal and effective code in Erlang”. These articles are describing my point of view on the topic according to my experience in real world software development. I have been inspired by the marvelous book of M. Fowler and Co “Refactoring” if you …