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Software Architecture Patterns for Serverless Systems
Software Architecture Patterns for Serverless Systems

Software Architecture Patterns for Serverless Systems: Architecting for innovation with event-driven microservices and micro frontends , Second Edition

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Software Architecture Patterns for Serverless Systems

Software Architecture Patterns for Serverless Systems, Second Edition: Architecting for innovation with event-driven microservices and micro frontends

Welcome to Packt Early Access. We’re giving you an exclusive preview of this book before it goes on sale. It can take many months to write a book, but our authors have cutting-edge information to share with you today. Early Access gives you an insight into the latest developments by making chapter drafts available. The chapters may be a little rough around the edges right now, but our authors will update them over time.You can dip in and out of this book or follow along from start to finish; Early Access is designed to be flexible. We hope you enjoy getting to know more about the process of writing a Packt book.

  1. Chapter 1: Architecting for Innovations
  2. Chapter 2: Defining Boundaries and Letting Go
  3. Chapter 3: Taming the Presentation Tier
  4. Chapter 4: Trusting Facts and Eventual Consistency
  5. Chapter 5: Turning...

Continuously delivering business value

Why do we write software? It’s a simple—but important—question. The answer may seem obvious, yet, as with so many things, the answer is much more nuanced than it seems at first.

For me, the answer depends on which role I am playing. Am I playing the role of developer or architect? As a developer, I expect that my answer is the same as that of most developers. My short answer is: “Because I can, because it is fun, and it’s what I do.” I can create things, seemingly out of thin air. The creative process itself is its own reward. I enjoy what I do!

I have spent most of my career building custom software solutions. When someone who is not in the industry asks me what I do, I like to use an analogy; the typical custom motorcycle shop reality TV show serves as a great analogy for most software development projects.

By the skin of our teeth

Most of us have seen this type of show, and they all...

Dissecting lead time

Our ability to continuously deliver business value is a function of lead time. If we measure our lead times in months or even weeks, then our ability to deliver is not continuous. We are wasting valuable time while we assume that we are building the right solution. Much like the Grand Prix motorcycle analogy, we want to put our software in users’ hands as fast as possible so that they can test drive it and provide feedback. Then, we tune the solution and quickly send it back out for another test drive.

To become a high-velocity team, we need to build the muscle memory that allows us to produce this seemingly uninterrupted flow of ideas and experiments. However, we need to get out of our own way. The typical software product delivery pipeline is full of potential bottlenecks that increase lead time. We need to understand these bottlenecks before we can produce an architecture that enables change.

Let’s survey the forces that influence our...

Dissecting integration styles

Our software systems are composed of many features that must work together to deliver value for the end users. How these features communicate has been one of the most significant topics in our industry. The communication pathways within a system impact the timely flow of information, but they also impact our ability to deliver timely solutions. A highly integrated system will maximize the flow of information. However, if we integrate features too tightly, then it impedes our ability to adapt to changing requirements. It can even put the stability of a system at risk as we make changes.

Our architecture must balance these opposing concerns. Let’s survey the different integration styles to see how they impact our systems, so we can take the best parts from each and bring them together in our new architecture.

Batch integration

When I started my career in software development, the major pain point for the industry was information silos...

Enabling autonomous teams with autonomous services

As we have just seen, our ability to drive down lead times and iterate to innovative solutions is impeded by many forces. Lean methods and the cloud help us eliminate waste, but our software itself is an impediment to innovation. The complex dependencies within our systems necessitate inter-team communication and coordination, which consumes valuable time. The high coupling between components creates the risk of cascading failures when things go wrong. So, teams naturally slow down for fear of breaking things.

We need a new architectural vision. Our architecture must enable autonomous teams to move fast and limit the blast radius of honest mistakes. The following diagram depicts this architectural vision. Imagine a topology of autonomous services that we design for integration from the ground up:

Figure 1.5: Event-first topology of autonomous services and subsystems

Each autonomous service owns all the resources it...

Summary

In this chapter, you learned that the role of architecture is to enable change so that autonomous teams can continuously deliver business value. You learned about the various forces that impede a team’s ability to drive down lead times and iterate to an optimal solution, and you learned how dependencies and integration styles impact architecture.

We dug into the details of autonomous services, and you learned how to fortify the boundaries between services so that autonomous teams can have the confidence to move fast without breaking things. Along the way, you learned why the event-first approach treats events as facts, how a serverless-first strategy creates knowledge and makes autonomous teams practical, and why data gravity impedes progress.

In the next chapter, we will begin to define architectural boundaries by dividing a system into autonomous subsystems and those subsystems into autonomous services. Then, we will address the importance of continuous governance...

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Key benefits

  • Gain insights from a seasoned CTO on best practices for designing enterprise-grade software systems
  • Deepen your understanding of system reliability, maintainability, observability, and scalability with real-world examples
  • Elevate your skills with software design patterns and architectural concepts, including securing in-depth and running in multiple regions

Description

Organizations undergoing digital transformation rely on IT professionals to design systems to keep up with the rate of change while maintaining stability. With this edition, enriched with more real-world examples, you’ll be perfectly equipped to architect the future for unparalleled innovation. This book guides through the architectural patterns that power enterprise-grade software systems while exploring key architectural elements (such as events-driven microservices, and micro frontends) and learning how to implement anti-fragile systems. First, you'll divide up a system and define boundaries so that your teams can work autonomously and accelerate innovation. You'll cover the low-level event and data patterns that support the entire architecture while getting up and running with the different autonomous service design patterns. This edition is tailored with several new topics on security, observability, and multi-regional deployment. It focuses on best practices for security, reliability, testability, observability, and performance. You'll be exploring the methodologies of continuous experimentation, deployment, and delivery before delving into some final thoughts on how to start making progress. By the end of this book, you'll be able to architect your own event-driven, serverless systems that are ready to adapt and change.

Who is this book for?

This book is for software architects who want to learn more about different software design patterns and best practices. This isn't a beginner's manual – you'll need an intermediate level of programming proficiency and software design experience to get started.You'll get the most out of this software design book if you already know the basics of the cloud, but it isn't a prerequisite.

What you will learn

  • Explore architectural patterns to create anti-fragile systems
  • Focus on DevSecOps practices that empower self-sufficient, full-stack teams
  • Apply microservices principles to the frontend
  • Discover how SOLID principles apply to software and database architecture
  • Gain practical skills in deploying, securing, and optimizing serverless architectures
  • Deploy a multi-regional system and explore the strangler pattern for migrating legacy systems
  • Master techniques for collecting and utilizing metrics, including RUM, Synthetics, and Anomaly detection
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Publication date : Feb 27, 2024
Length: 488 pages
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Language : English
ISBN-13 : 9781803235448
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Table of Contents

15 Chapters
Architecting for Innovation Chevron down icon Chevron up icon
Defining Boundaries and Letting Go Chevron down icon Chevron up icon
Taming the Presentation Tier Chevron down icon Chevron up icon
Trusting Facts and Eventual Consistency Chevron down icon Chevron up icon
Turning the Cloud into the Database Chevron down icon Chevron up icon
A Best Friend for the Frontend Chevron down icon Chevron up icon
Bridging Intersystem Gaps Chevron down icon Chevron up icon
Reacting to Events with More Events Chevron down icon Chevron up icon
Running in Multiple Regions Chevron down icon Chevron up icon
Securing Autonomous Subsystems in Depth Chevron down icon Chevron up icon
Choreographing Deployment and Delivery Chevron down icon Chevron up icon
Optimizing Observability Chevron down icon Chevron up icon
Don’t Delay, Start Experimenting Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon

Customer reviews

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Eugene C. Olsen Jul 31, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Defines the why and the how of architecting, designing, and building robust, fault-tolerant applications, adapting time-honored patterns, principles, and practices, and adapting them to the Cloud. References many proven methodologies and puts them together in an innovative yet practical way. There is much meaty food for thought as well as instructions for the practical application of the patterns and principles. As has been mentioned in other reviews, there is also sample code available.Lacking experience in those time-honored principles, patterns, and methodologies? This book contains abundant references to resources that will bring you up to speed. The last chapter provides instructions to help organizations "dip their toes in the water" and get started quickly.With 40+ years in the software industry, I recognize that this book is full of better ways of thinking about architecture, design, and implementation of software applications. I look forward to designing and building my next application using the patterns described in this book.
Amazon Verified review Amazon
Henry Yeh Mar 22, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
This book is both an excellent intro into the world of serverless computing in the cloud, as well as a guide for experienced engineers who are attempting to modernize their stack. It’s a good reference with easy to find sections written in a way that’s not condescending to the technically minded.
Amazon Verified review Amazon
ekeko Apr 28, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Bei meiner Reise in die Welt der Cloud-Technologien hat sich dieses Buch als wertvolle Ressource erwiesen. Es präsentiert einen pragmatischen Ansatz, der auf den persönlichen Erfahrungen des Autors basiert und dem Inhalt eine menschliche Note verleiht. Besonders schätze ich die praktischen Beispiele und Vorlagen, die zur Verdeutlichung komplexer Konzepte beitragen.Ein bemerkenswerter Aspekt des Buches ist für mich die Einführung von FinOps, die sich mit dem finanziellen Aspekt von Cloud-Lösungen befasst. Obwohl dies ein wichtiges Thema ist, insbesondere für technische Fachleute, gestaltet sich die Handhabung manchmal schwierig.Zusammenfassend bietet dieses Buch wertvolle Einblicke in Cloud-Architekturen, indem es praktische Weisheit mit realen Erfahrungen kombiniert. Trotz einiger Einschränkungen bei den Sprachbeispielen (alle in JavaScript) bleibt es ein lohnenswertes Leseerlebnis für alle, die sich durch die Komplexität der Cloud-Technologien bewegen möchten.
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ElmerA Apr 07, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Much of my review stems from my background: I've been in software development for 25 years running and I'm involved with maintaining and evolving legacy monolithic systems. So I've gone through a good chunk of the history pretty much - from client-server, to web-based and now to cloud-native systems. Suffice to say I'm always in the lookout for material that shows the state-of-the-art and how systems are being designed, developed, tested and operationalized currently.It is rare to find a book that not just explains what or how an architecture is to be implemented but also the why. It is truly insightful to know how much of the pitfalls of the engineering trends and decisions made before have contributed to where we are today. People my age - who have done their share of development and might either be working as managers, enterprise architects, or department leaders - need to appreciate how critical it is for current systems to be designed to adapt to change (as cliche as that sounds) and how necessary the mindset is of architecting systems with change and speed as the driving principle. This book does an outstanding job of setting the reader's mindset by showing the whys through a walkthrough on the barriers that prevent us from shipping software fast and responsive to change.While the book presents the current approach (or one of possible approaches) in designing software, it doesn't shoehorn that down to the reader's throat and has actually presented the potential pitfalls of modern design (i.e. the microservices Death Star). This has been particularly refreshing for me to hear since all we hear about currently is how microservices is the way forward from monolithic and the Holy Grail of solving all of our development issues.I recommend this book for those who want an overview of modern software architecture design with a focus on serverless, with a sound exposition on how we got here and the reasons for doing so. It's difficult to find this kind of information out there as most jump immediately to implementation details.
Amazon Verified review Amazon
Guy Harding May 03, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
As a software systems architect, there is a lot to wrap your head around when considering serverless. I've been designing and fixing software systems for 20+ years, but I had not done a deep dive into serverless until reading this book.The book explains why serverless is important today, details the principles & objectives of a serverless architecture, and provides a practical catalog of useful architectural patterns (even if you're not implementing a purely serverless approach).I've already applied several concepts to my current projects, and look forward to implementing several more as I build.I highly recommend for architects and engineers who want to understand serverless better and add serverless approaches to their tool chest.
Amazon Verified review Amazon
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