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The Art of Micro Frontends

The Art of Micro Frontends

By : Florian Rappl
4 (9)
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The Art of Micro Frontends

The Art of Micro Frontends

4 (9)
By: Florian Rappl

Overview of this book

Micro frontend is a web architecture for frontend development borrowed from the idea of microservices in software development, where each module of the frontend is developed and shipped in isolation to avoid complexity and a single point of failure for your frontend. Complete with hands-on tutorials, projects, and self-assessment questions, this easy-to-follow guide will take you through the patterns available for implementing a micro frontend solution. You’ll learn about micro frontends in general, the different architecture styles and their areas of use, how to prepare teams for the change to micro frontends, as well as how to adjust the UI design for scalability. Starting with the simplest variants of micro frontend architectures, the book progresses from static approaches to fully dynamic solutions that allow maximum scalability with faster release cycles. In the concluding chapters, you'll reinforce the knowledge you’ve gained by working on different case studies relating to micro frontends. By the end of this book, you'll be able to decide if and how micro frontends should be implemented to achieve scalability for your user interface (UI).
Table of Contents (21 chapters)
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1
Section 1: The Hive - Introducing Frontend Modularization
6
Section 2: Dry Honey - Implementing Micro frontend Architectures
14
Section 3: Busy Bees - Scaling Organizations

Basics of server-side composition

A server-side composition implementing micro frontends requires a central point in the backend where the micro frontends are resolved and merged. The basic principle is shown in the next diagram:

Figure 7.1 – The idea behind server-side composition – a central server joins the different frontend fragments

In this pattern, teams will either go for full pages or just individual fragments. Fragments can be as large as fully composed parts of a page or as small as UI components with some domain logic.

The shown reverse proxy essentially plays the same role as the aggregation layer introduced in the previous chapter. The difference is that its responsibilities go beyond proxying micro frontends. Therefore, we'll usually refer to this point as a gateway service or a backend for frontend (BFF).

A BFF is a part of the backend that has been introduced only to serve the frontend. Generally, a BFF can be thought...

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