Practical FP in Scala + Functional event-driven architecture
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Practical FP in Scala + Functional event-driven architecture

About the Bundle

Practical FP in Scala (A hands-on approach) & Functional event-driven architecture, aka FEDA, (Powered by Scala 3), together as a bundle!

The content of PFP in Scala is a requirement to understand FEDA so why not take advantage of this bundle!?

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  • Categories

    • Functional Programming
    • Scala
    • Software

About the Books

Functional Event-Driven Architecture

Powered by Scala 3
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Explore the event-driven architecture (EDA) in a purely functional way. Learn to design and develop distributed systems that scale. Identify common design patterns in such systems.

In the same spirit of Practical FP in Scala, we will develop a distributed system written in Scala 3 that meets the requirements of a modern software architecture capable of processing billions of events per day at scale powered by Apache Pulsar and Fs2 streams.

The system also includes a Web Sockets service powered by Http4s, and two Web applications (one written in Elm; another in Scala.js), just for fun!

Although the application picks a particular design and implementation, the concepts should easily translate to other designs in the same space that can be built on top of Apache Kafka, Rabbit MQ, or other message brokers.

Additionally, essential reading material is recommended for those who wish to dive deeper into topics such as Distributed Systems, Streaming Systems, Event-Driven Applications, and Observability.

Have a look at the distributed system that supplements this book:

Practical FP in Scala

A hands-on approach
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Practical FP in Scala: A hands-on approach, is a book for intermediate to advanced Scala developers. Aimed at those who understand functional effects, referential transparency and the benefits of functional programming to some extent but who are missing some pieces to put all these concepts together to build a large application in a time-constrained manner.

Throughout the chapters we will design, architect and develop a complete stateful application serving an API via HTTP, accessing a database and dealing with cached data, using the best practices and best functional libraries available in the Cats ecosystem such as Cats Effect, Fs2, Http4s, Skunk, Refined & others.

You will also learn about common design patterns such as managing state, error handling and anti-patterns, all accompanied by clear examples. Furthermore, in the Bonus Chapter, we will dive into some advanced concepts such as MTL and Optics, and will explore Fs2 streams with a few interesting examples.

The book is supplemented by two Scala projects:

Looking for a printed version? You can get a Softcover (paperback) here.

Got some feedback? Please email the author here: pfpscala at gmail dot com.

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