Lance Halvorsen: Functional Web Development with Elixir, OTP and Phoenix

Functional Web Development with Elixir, OTP and Phoenix


Description

Elixir and Phoenix are generating tremendous excitement as an unbeatable platform for building modern web applications. Make the most of them as you build a stateful web app with Elixir and OTP. Model domain entities without an ORM or a database. Manage server state and keep your code clean with OTP Behaviours. Layer on a Phoenix web interface without coupling it to the business logic. Open doors to powerful new techniques that will get you thinking about web development in fundamentally new ways. Elixir and OTP give us exceptional tools to build stateful back-end applications that really scale, with rock-solid reliability. In this book, you'll build a web application in ways that are radically different from the norm. The back end will be stateful, not stateless. Use persistent connections with Phoenix Channels instead of HTTP's request-response, and create the full application in distinct, decoupled layers. In Part 1, start by building the business logic as a separate application, without Phoenix. Model the application domain with Elixir Agents and simple data structures. By keeping state in memory instead of a database, you can reduce latency and simplify your code. Then add OTP Behaviours such as gen_server and gen_fsm that make managing in-memory state a breeze. Create a supervision tree to boost fault tolerance while separating error handling from business logic. Phoenix is a modern web framework you can layer on top of business logic while keeping the two completely decoupled. In Part 2, you'll do exactly that as you build a web interface with Phoenix. Bring in the application from Part 1 as a dependency to a new Phoenix project. Then use ultra-scalable Phoenix Channels to establish persistent connections between the stateful server and a stateful front-end client. You're going to love this way of building web apps! What You Need: You'll need a computer that can run Elixir version 1.3 or higher and Phoenix 1.2 or higher. Some familiarity with Elixir and Phoenix is recommended.

The eighth instalment in the biggest, funniest, most thrilling comedy-horror-adventure series in the universe - and the follow-up to the number-one bestseller, Kingdom of the Wicked...War has finally come. But it's not a war between good and evil, or light and dark - it's a war between Sanctuaries. For too long, the Irish Sanctuary has teetered on the brink of world-ending disaster, and the other Sanctuaries around the world have had enough. Allies turn to enemies, friends turn to foes, and Skulduggery and Valkyrie must team up with the rest of the Dead Men if they're going to have any chance at all of maintaining the balance Functional Web Development with Elixir, OTP and Phoenix free pdf of power and getting to the root of a vast conspiracy that has been years in the making. But while this war is only beginning, another war rages within Valkyrie herself. Her own dark side, the insanely powerful being known as Darquesse, is on the verge of rising to the surface. And if Valkyrie slips, even for a moment, then Darquesse will burn the world and everyone in it.


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Author: Lance Halvorsen
Number of Pages: 250 pages
Published Date: 25 Oct 2017
Publisher: The Pragmatic Programmers
Publication Country: Raleigh, United States
Language: English
ISBN: 9781680502435
Download Link: Click Here
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