February 11, 2014 by John Simone
Flow is an important part of software development. The ability to [achieve flow](http://en.wikipedia.org/wiki/Flow_(psychology\)) during daily work makes software development a uniquely enjoyable profession. Interruptions in your code/test loop make this state harder to achieve. Whether you are running unit tests locally, launching a local webserver, or deploying to Heroku there's always some waiting and some interruption. Every second saved helps you stay in your flow.
We’ve been working on reducing the time it takes to build your code on Heroku. Read through this post for details on the process we used to make builds fast, or check out the end result from the graph below:
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