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Author: Pranjut Gogoi
Publisher:
ISBN: 9781786469342
Category :
Languages : en
Pages : 384
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Book Description
Use the reactive approach to build mission critical distributed systems with ScalaAbout This Book*Work through real-world examples that can be directly used at the start of the application*Get a complete coverage of all stages of the development processes of building microservices with Scala*Get a comprehensive analysis of the critical aspects of microservice architecture designWho This Book Is ForIf you're already using Scala but want to get up and running with microservices, then this book is for you. Basic knowledge of Scala is a must.What You Will Learn*Perfect your domain-driven design for microservices*Solve critical problems in database configuration*Perk up your security and configure your app for the cloud*Familiarize yourself with anti-patterns to avoid common mistakes*Transform your monolithic apps to microservices*Test resilience of microservice using Simian Army*Deploy microservices using Docker and other CI toolsIn DetailMicroservices provide several advantages over the traditional monolith architecture. Today's applications have become increasingly complex and Microservices offer the perfect solution when building these applications, especially when combined with Scala.Building a microservice-based architecture is tricky and implementing it in your apps can be challenging. Scala Microservices will equip you with the tools and skills required to build efficient scalable systems. We take you through a reactive approach to building apps using the typesafe (lightbend) technology stack.You will learn to choose the right architecture patterns and appropriate approach depending on your requirements. We have also included important real-world examples, covering crucial topics such as database design and security. The book also shows you how to test and deploy your app using the right tools. Finally, we will take a look at converting a monolithic system into a distributed system to make your life a whole lot easier.
Author: Pranjut Gogoi
Publisher:
ISBN: 9781786469342
Category :
Languages : en
Pages : 384
Get Book
Book Description
Use the reactive approach to build mission critical distributed systems with ScalaAbout This Book*Work through real-world examples that can be directly used at the start of the application*Get a complete coverage of all stages of the development processes of building microservices with Scala*Get a comprehensive analysis of the critical aspects of microservice architecture designWho This Book Is ForIf you're already using Scala but want to get up and running with microservices, then this book is for you. Basic knowledge of Scala is a must.What You Will Learn*Perfect your domain-driven design for microservices*Solve critical problems in database configuration*Perk up your security and configure your app for the cloud*Familiarize yourself with anti-patterns to avoid common mistakes*Transform your monolithic apps to microservices*Test resilience of microservice using Simian Army*Deploy microservices using Docker and other CI toolsIn DetailMicroservices provide several advantages over the traditional monolith architecture. Today's applications have become increasingly complex and Microservices offer the perfect solution when building these applications, especially when combined with Scala.Building a microservice-based architecture is tricky and implementing it in your apps can be challenging. Scala Microservices will equip you with the tools and skills required to build efficient scalable systems. We take you through a reactive approach to building apps using the typesafe (lightbend) technology stack.You will learn to choose the right architecture patterns and appropriate approach depending on your requirements. We have also included important real-world examples, covering crucial topics such as database design and security. The book also shows you how to test and deploy your app using the right tools. Finally, we will take a look at converting a monolithic system into a distributed system to make your life a whole lot easier.
Author: Cybellium Ltd
Publisher: Cybellium Ltd
ISBN:
Category : Computers
Languages : en
Pages : 263
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Book Description
Are you ready to dive into the world of advanced programming with confidence and expertise? "Mastering Scala" is your gateway to unlocking the true power of the Scala programming language. Whether you're an experienced developer seeking to expand your horizons or a programming enthusiast ready to embark on a transformative journey, this comprehensive guide will equip you with the skills to develop elegant, scalable, and high-performance software. Key Features: 1. In-Depth Exploration of Scala Fundamentals: Immerse yourself in the core concepts of Scala programming, from its unique blend of object-oriented and functional paradigms to its expressive syntax. Build a strong foundation that enables you to tackle complex programming challenges. 2. Functional Programming Mastery: Discover the beauty of functional programming in Scala. Learn how to leverage higher-order functions, immutability, and pattern matching to create clean, maintainable code that is both concise and powerful. 3. Concurrency and Parallelism: Dive into Scala's concurrent and parallel programming capabilities. Explore actors, Futures, and parallel collections to build responsive, highly performant applications that excel in a multi-core world. 4. Advanced Data Structures and Algorithms: Elevate your programming skills by mastering advanced data structures and algorithms in Scala. From sets and maps to trees and graphs, learn how to solve intricate problems using Scala's powerful abstractions. 5. Building Robust Applications: Explore best practices for structuring and organizing your Scala projects. Gain insights into error handling, testing, and writing code that is not only functional but also robust and easy to maintain. 6. Leveraging Scala's Ecosystem: Maximize your productivity by exploring the vibrant ecosystem of Scala libraries and frameworks. From web development to data analysis, discover tools that will help you create software efficiently and effectively. 7. Type System and Advanced Language Features: Dive into Scala's sophisticated type system and explore advanced language features like implicits and type classes. Craft expressive, type-safe code that reflects the elegance of Scala. 8. Performance Optimization: Master the art of optimizing Scala applications for top-notch performance. Learn profiling techniques, memory management, and concurrency tuning to ensure your software runs efficiently. 9. Deployment and DevOps: Navigate the landscape of deploying Scala applications to various environments. Discover containerization and adopt DevOps practices that streamline your development-to-production pipeline. Who This Book Is For: "Mastering Scala" is an indispensable companion for developers of all skill levels who are passionate about mastering the Scala programming language. Whether you're a novice programmer or an experienced coder eager to embrace Scala's unique features, this book will guide you through the language's intricacies and empower you to create sophisticated, high-performance software.
Author: Rambabu Posa
Publisher: Packt Publishing Ltd
ISBN: 1787282872
Category : Computers
Languages : en
Pages : 540
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Book Description
Build fault-tolerant, robust, and distributed applications in Scala Key Features - Understand and use the concepts of reactive programming to build distributed systems running on multiple nodes. - Learn how reactive architecture reduces complexity throughout the development process. - Get to grips with functional reactive programming and Reactive Microservices. Book Description Reactive programming is a scalable, fast way to build applications, and one that helps us write code that is concise, clear, and readable. It can be used for many purposes such as GUIs, robotics, music, and others, and is central to many concurrent systems. This book will be your guide to getting started with Reactive programming in Scala. You will begin with the fundamental concepts of Reactive programming and gradually move on to working with asynchronous data streams. You will then start building an application using Akka Actors and extend it using the Play framework. You will also learn about reactive stream specifications, event sourcing techniques, and different methods to integrate Akka Streams into the Play Framework. This book will also take you one step forward by showing you the advantages of the Lagom framework while working with reactive microservices. You will also learn to scale applications using multi-node clusters and test, secure, and deploy your microservices to the cloud. By the end of the book, you will have gained the knowledge to build robust and distributed systems with Scala and Akka. What you will learn Understand the fundamental principles of Reactive and Functional programming Develop applications utilizing features of the Akka framework Explore techniques to integrate Scala, Akka, and Play together Learn about Reactive Streams with real-time use cases Develop Reactive Web Applications with Play, Scala, Akka, and Akka Streams Develop and deploy Reactive microservices using the Lagom framework and ConductR Who this book is for This book is for Scala developers who would like to build fault-tolerant, scalable distributed systems. No knowledge of Reactive programming is required.
Author: Ayush Kumar Mishra
Publisher: Independently Published
ISBN: 9781976762543
Category : Computers
Languages : en
Pages : 76
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Book Description
Book Description This book is a part of Knoldus Reactive Programming Series. Few years ago, applications were much simpler and required all solutions at one place, we call them monolithic applications. Now a days markets are changing rapidly. You either adapt quickly or you go out of business. If your application is successful, you will start enhancing features day by day and as a result, your application becomes complex day by day and that complexity creates challenges in development. It will be difficult to fully understand and made changes fast and correctly. You must redeploy the entire application on each update. These type of application also has a barrier to adopting new technologies because it will affect the entire application. In this book, you will learn how you can manage this problem by dividing project into smaller pieces. You will learn how quickly you can start transforming your monolithic application into microservices. Microservice can be developed using different programming language (Personally I don't suggest to do it). I prefer Akka HTTP because it is fully integrated into Typesafe stack. Since there are already a lot of scala frameworks to build REST APIs then the obvious question is Why Akka HTTP? There are many reasons to use Akka HTTP, which you will learn in this book. I have written this book for those who want to start developing REST API right away and have a basic understanding of Scala. I don't exhaustively list all feature of Akka HTTP. I don't make you suffer through long and contrived example. I have tried to explain every topic of this book with short and easy to understand examples with test-cases.Akka HTTP is available for both Java and Scala but in this book, we will go with Scala. I choose Scala because it cuts down on boilerplate and we can concentrate on the logic of our problems. In Scala, you are not limited to just object-oriented patterns to implement your code, you can bring in functional paradigms as well. What You'll Learn Advantage of using Microservices architecture over monolithic Introduction to Akka HTTP Start coding in Akka HTTP Powerful JSON (un)marshalling support How to build server-side API How to build client-side API WebSocket support using Akka HTTP By the end of the book, you will get the links of multiple sample projects of Akka HTTP. For ex.:Akka HTTP with SOLRAkka HTTP with SlickAkka HTTP with Neo4J You will also get templates with frameworks like Angular.js, Spark Et al. You can clone these sample projects according to your requirement and start playing with restful web services. Who This Book Is For Those who want to start working on microservices architecture right away. The only pre-requisite to this book is that you are "comfortable" with Scala. However language is not a bar, even if you want to develop java microservices using Akka HTTP, you can still read this book to understand the concept. I have used the latest version of Akka HTTP in this book. About The Author Ayush Kumar Mishra is a Lead Scala Consultant based in Singapore. He is currently working with Knoldus, an organization where knowledge sharing and upskilling each Knolder is a way of life, which is the only organization to be partners with Lightbend, Databricks, Confluent and Datastax to deliver high-quality reactive products to its global clients. He has been working in Scala for more than 5 years. He loves to troubleshoot complex problems and look for the best solutions. In his career, he has successfully developed and delivered various microservice based systems with Scala and Akka HTTP. When he is not programming, he writes technical blogs. Most of his blogs are related to rest api design. He has also transformed some monolithic systems into microservice based system.
Author: Pierluigi Riti
Publisher: Apress
ISBN: 1484230361
Category : Computers
Languages : en
Pages : 232
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Book Description
Build domain specific languages (DSLs) using Java's most popular functional programming language: Scala. This book introduces the basics of Scala and DSLs using a series of practical examples. In Practical Scala DSLs, you’ll learn to create pragmatic and complete code examples that explain the actual use of DSLs with Scala: a web API and microservices; a custom language; a mobile app; a Forex system; a game; and cloud applications. At the end of this unique book, you’ll be able to describe the differences between external and internal DSLs; understand when and how to apply DSLs; create DSLs using Scala; and even create a DSL using another programming language. What You'll Learn Build DSLs in Scala Write a web API and microservices Create a custom language Apply DSLs to mobile apps development, a Forex trading system, game development, and more Discover the role of DSLs in cloud development Integrate DSLs as part of a DevOps program or structure Build internal and external DSLs Who This Book Is For Experienced Java coders with at least some prior experience with Scala. You may be new to DSLs.
Author: Eberhard Wolff
Publisher: Addison-Wesley Professional
ISBN: 0134650409
Category : Computers
Languages : en
Pages : 815
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Book Description
The Most Complete, Practical, and Actionable Guide to Microservices Going beyond mere theory and marketing hype, Eberhard Wolff presents all the knowledge you need to capture the full benefits of this emerging paradigm. He illuminates microservice concepts, architectures, and scenarios from a technology-neutral standpoint, and demonstrates how to implement them with today’s leading technologies such as Docker, Java, Spring Boot, the Netflix stack, and Spring Cloud. The author fully explains the benefits and tradeoffs associated with microservices, and guides you through the entire project lifecycle: development, testing, deployment, operations, and more. You’ll find best practices for architecting microservice-based systems, individual microservices, and nanoservices, each illuminated with pragmatic examples. The author supplements opinions based on his experience with concise essays from other experts, enriching your understanding and illuminating areas where experts disagree. Readers are challenged to experiment on their own the concepts explained in the book to gain hands-on experience. Discover what microservices are, and how they differ from other forms of modularization Modernize legacy applications and efficiently build new systems Drive more value from continuous delivery with microservices Learn how microservices differ from SOA Optimize the microservices project lifecycle Plan, visualize, manage, and evolve architecture Integrate and communicate among microservices Apply advanced architectural techniques, including CQRS and Event Sourcing Maximize resilience and stability Operate and monitor microservices in production Build a full implementation with Docker, Java, Spring Boot, the Netflix stack, and Spring Cloud Explore nanoservices with Amazon Lambda, OSGi, Java EE, Vert.x, Erlang, and Seneca Understand microservices’ impact on teams, technical leaders, product owners, and stakeholders Managers will discover better ways to support microservices, and learn how adopting the method affects the entire organization. Developers will master the technical skills and concepts they need to be effective. Architects will gain a deep understanding of key issues in creating or migrating toward microservices, and exactly what it will take to transform their plans into reality.
Author: Ivan Nikolov
Publisher: Packt Publishing Ltd
ISBN: 1788472098
Category : Computers
Languages : en
Pages : 388
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Book Description
Learn how to write efficient, clean, and reusable code with Scala Key Features Unleash the power of Scala and apply it in the real world to build scalable and robust applications. Learn about using and implementing Creational, Structural, Behavioral, and Functional design patterns in Scala Learn how to build scalable and extendable applications efficiently Book Description Design patterns make developers’ lives easier by helping them write great software that is easy to maintain, runs efficiently, and is valuable to the company or people concerned. You’ll learn about the various features of Scala and will be able to apply well-known, industry-proven design patterns in your work. The book starts off by focusing on some of the most interesting and latest features of Scala while using practical real-world examples. We will be learning about IDE’s and Aspect Oriented Programming. We will be looking into different components in Scala. We will also cover the popular "Gang of Four" design patterns and show you how to incorporate functional patterns effectively. The book ends with a practical example that demonstrates how the presented material can be combined in real-life applications. You’ll learn the necessary concepts to build enterprise-grade applications. By the end of this book, you’ll have enough knowledge and understanding to quickly assess problems and come up with elegant solutions. What you will learn Immerse yourself in industry-standard design patterns—structural, creational, and behavioral—to create extraordinary applications See the power of traits and their application in Scala Implement abstract and self types and build clean design patterns Build complex entity relationships using structural design patterns Create applications faster by applying functional design patterns Who this book is for If you want to increase your understanding of Scala and apply design patterns to real-life application development, then this book is for you.Prior knowledge of Scala language is assumed/ expected.
Author: Ilango gurusamy
Publisher: Packt Publishing Ltd
ISBN: 1788625277
Category : Computers
Languages : en
Pages : 328
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Book Description
Develop robust, Scala-powered projects with the help of machine learning libraries such as SparkML to harvest meaningful insight Key Features Gain hands-on experience in building data science projects with Scala Exploit powerful functionalities of machine learning libraries Use machine learning algorithms and decision tree models for enterprise apps Book Description Scala, together with the Spark Framework, forms a rich and powerful data processing ecosystem. Modern Scala Projects is a journey into the depths of this ecosystem. The machine learning (ML) projects presented in this book enable you to create practical, robust data analytics solutions, with an emphasis on automating data workflows with the Spark ML pipeline API. This book showcases or carefully cherry-picks from Scala’s functional libraries and other constructs to help readers roll out their own scalable data processing frameworks. The projects in this book enable data practitioners across all industries gain insights into data that will help organizations have strategic and competitive advantage. Modern Scala Projects focuses on the application of supervisory learning ML techniques that classify data and make predictions. You'll begin with working on a project to predict a class of flower by implementing a simple machine learning model. Next, you'll create a cancer diagnosis classification pipeline, followed by projects delving into stock price prediction, spam filtering, fraud detection, and a recommendation engine. By the end of this book, you will be able to build efficient data science projects that fulfil your software requirements. What you will learn Create pipelines to extract data or analytics and visualizations Automate your process pipeline with jobs that are reproducible Extract intelligent data efficiently from large, disparate datasets Automate the extraction, transformation, and loading of data Develop tools that collate, model, and analyze data Maintain the integrity of data as data flows become more complex Develop tools that predict outcomes based on “pattern discovery” Build really fast and accurate machine-learning models in Scala Who this book is for Modern Scala Projects is for Scala developers who would like to gain some hands-on experience with some interesting real-world projects. Prior programming experience with Scala is necessary.
Author: Vikash Sharma
Publisher: Packt Publishing Ltd
ISBN: 1788391616
Category : Computers
Languages : en
Pages : 411
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Book Description
Learn how to write scalable and concurrent programs in Scala, a language that grows with you. Key Features Get a grip on the functional features of the Scala programming language Understand and develop optimal applications using object-oriented and functional Scala constructs Learn reactive principles with Scala and work with the Akka framework Book Description Scala is a general-purpose programming language that supports both functional and object-oriented programming paradigms. Due to its concise design and versatility, Scala's applications have been extended to a wide variety of fields such as data science and cluster computing. You will learn to write highly scalable, concurrent, and testable programs to meet everyday software requirements. We will begin by understanding the language basics, syntax, core data types, literals, variables, and more. From here you will be introduced to data structures with Scala and you will learn to work with higher-order functions. Scala's powerful collections framework will help you get the best out of immutable data structures and utilize them effectively. You will then be introduced to concepts such as pattern matching, case classes, and functional programming features. From here, you will learn to work with Scala's object-oriented features. Going forward, you will learn about asynchronous and reactive programming with Scala, where you will be introduced to the Akka framework. Finally, you will learn the interoperability of Scala and Java. After reading this book, you'll be well versed with this language and its features, and you will be able to write scalable, concurrent, and reactive programs in Scala. What you will learn Get to know the reasons for choosing Scala: its use and the advantages it provides over other languages Bring together functional and object-oriented programming constructs to make a manageable application Master basic to advanced Scala constructs Test your applications using advanced testing methodologies such as TDD Select preferred language constructs from the wide variety of constructs provided by Scala Make the transition from the object-oriented paradigm to the functional programming paradigm Write clean, concise, and powerful code with a functional mindset Create concurrent, scalable, and reactive applications utilizing the advantages of Scala Who this book is for This book is for programmers who choose to get a grip over Scala to write concurrent, scalable, and reactive programs. No prior experience with any programming language is required to learn the concepts explained in this book. Knowledge of any programming language would help the reader understanding concepts faster though.
Author: Slava Schmidt
Publisher: Packt Publishing Ltd
ISBN: 1788830997
Category : Computers
Languages : en
Pages : 498
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Book Description
A step-by-step guide in building high-performance scalable applications with the latest features of Scala. Key FeaturesDevelop a strong foundation in functional programming and Scala's Standard Library (STL)Get a detailed coverage of Lightbend Lagom—the latest microservices framework from LightbendUnderstand the Akka framework and learn event-based Programming with Scala Book Description The second version of Scala has undergone multiple changes to support features and library implementations. Scala 2.13, with its main focus on modularizing the standard library and simplifying collections, brings with it a host of updates. Learn Scala Programming addresses both technical and architectural changes to the redesigned standard library and collections, along with covering in-depth type systems and first-level support for functions. You will discover how to leverage implicits as a primary mechanism for building type classes and look at different ways to test Scala code. You will also learn about abstract building blocks used in functional programming, giving you sufficient understanding to pick and use any existing functional programming library out there. In the concluding chapters, you will explore reactive programming by covering the Akka framework and reactive streams. By the end of this book, you will have built microservices and learned to implement them with the Scala and Lagom framework. What you will learnAcquaint yourself with the new standard library of Scala 2.13Get to grips with the Grok functional paradigmsGet familiar with type system to express domain constraintsUnderstand the actor model and different Akka librariesGrasp the concept of building microservices using Lagom frameworkDeep dive into property-based testing and its practical applicationsWho this book is for This book is for beginner to intermediate level Scala developers who would like to advance and gain knowledge of the intricacies of the Scala language, expand their functional programming tools, and explore actor-based concurrency models.
