Mastering Postman


Book Description

Build, test, debug, document and publish APIs faster throughout the entire lifecycle "Mastering Postman" is the ultimate guide for anyone looking to streamline their API development process. Whether you're a seasoned developer or just starting, this book will take you through every step of the API lifecycle and equip you with the knowledge and tools to create better APIs faster. Starting with API design, the book covers the best practices for creating intuitive, easy-to-use, and scalable APIs. Before deploying, you'll learn how to use Postman to test your APIs thoroughly and ensure they're working as intended. The book then delves into API documentation and mocking, showing you how to create comprehensive documentation that's easy to understand and use. You'll also learn how to use Postman to mock your APIs, allowing you to test your code in a safe environment before deploying it to production. Focusing on Python, Flask, and JavaScript coding, "Mastering Postman" teaches you how to build powerful, efficient, and easy-to-use APIs. You'll also learn about implementing API governance, integration, publishing, and the Postman CLI in detail. Throughout the book, you'll find practical examples, real-world scenarios, and tips and tricks to help you become more productive and efficient as you work on your APIs. Whether you're a developer, a product manager, or a technical writer, "Mastering Postman" will give you the skills and knowledge you need to create APIs that are robust, reliable, and easy to use. With this book as your guide, you'll be able to streamline your API development process and deliver better APIs faster than ever before. Key Learnings Streamline API development process with Postman for faster delivery. Learn API design, testing, documentation, and mocking with real-world examples. Build APIs using Python, Flask, and JavaScript for better performance. Master API governance, integration, and publishing with Postman. Leverage Postman CLI for advanced API testing and automation. Collaborate efficiently using Postman collections, environments, and workspaces. Table of Content API LifeCycle and Postman API Design API Development API Testing API Security Using Postman CLI API Documentation & Publishing API Integration API Performance API Governance Advanced API Developer Skills Audience Mastering Postman is ideal for developers and software engineers who want to build end-to-end APIs efficiently and effectively. It is suitable for both beginners new to API development and experienced developers who want to master their API development, testing, debugging and integration skills. Before reading this book, you should understand web development, HTTP protocol, and API concepts.




Mastering Postman, Second Edition


Book Description

A must-have for anyone looking to become an expert as API developer, tester, integrator, or manager; this revised and updated edition of "Mastering Postman" covers every aspect of API development, including the noteworthy new features of Postman 11. In this all-inclusive book, developers of all skill levels will find modern methods and best practices that cover every stage of the API lifecycle. This book provides a solid grounding in API design, documentation, and implementation, starting with the basics of Postman 11. Using Postman's most recent features, you'll learn the ins and outs of automated testing, error handling, and real-time monitoring—all of which are essential for APIs. It focuses mostly on the updated features of Postman 11. This version discusses the new scripting features that enable more complex testing scenarios, as well as the improved integration options that make connecting to other platforms and services easier than ever before. Also covered is the latest Postman CLI and how to use it to automate and improve API testing and deployment in CI/CD pipelines. It also covers Postman's real-time collaboration features helping API teams collaborate more efficiently. You will also find out how to use Postman's new performance testing features, such as advanced load testing, to make sure your APIs can manage actual user traffic. Key Features Manage the entire API lifecycle, from planning to development, testing, and release. Automate complex API tests with Postman 11's improved scripting capabilities. Use strong authentication methods for APIs, such as OAuth 2.1 and JWT. Use Postman's real-time collaboration tools for efficient API teamwork. Apply Postman and Newman load testing to ensure API scalability under pressure. Optimize data flow and system communication by seamlessly integrating APIs with various platforms. Use Postman's updated documentation tools to automate API documentation. Track API performance in real time to find and fix bottlenecks. Use caching and asynchronous processing to improve API performance. Set up CI/CD pipelines using Postman Command Line Interface (CLI). Table of Content API LifeCycle and Postman 11 API Design API Development API Testing API Security Using Postman CLI API Documentation & Publishing API Integration API Performance




Mastering Transformers


Book Description

Explore transformer-based language models from BERT to GPT, delving into NLP and computer vision tasks, while tackling challenges effectively Key Features Understand the complexity of deep learning architecture and transformers architecture Create solutions to industrial natural language processing (NLP) and computer vision (CV) problems Explore challenges in the preparation process, such as problem and language-specific dataset transformation Purchase of the print or Kindle book includes a free PDF eBook Book DescriptionTransformer-based language models such as BERT, T5, GPT, DALL-E, and ChatGPT have dominated NLP studies and become a new paradigm. Thanks to their accurate and fast fine-tuning capabilities, transformer-based language models have been able to outperform traditional machine learning-based approaches for many challenging natural language understanding (NLU) problems. Aside from NLP, a fast-growing area in multimodal learning and generative AI has recently been established, showing promising results. Mastering Transformers will help you understand and implement multimodal solutions, including text-to-image. Computer vision solutions that are based on transformers are also explained in the book. You’ll get started by understanding various transformer models before learning how to train different autoregressive language models such as GPT and XLNet. The book will also get you up to speed with boosting model performance, as well as tracking model training using the TensorBoard toolkit. In the later chapters, you’ll focus on using vision transformers to solve computer vision problems. Finally, you’ll discover how to harness the power of transformers to model time series data and for predicting. By the end of this transformers book, you’ll have an understanding of transformer models and how to use them to solve challenges in NLP and CV.What you will learn Focus on solving simple-to-complex NLP problems with Python Discover how to solve classification/regression problems with traditional NLP approaches Train a language model and explore how to fine-tune models to the downstream tasks Understand how to use transformers for generative AI and computer vision tasks Build transformer-based NLP apps with the Python transformers library Focus on language generation such as machine translation and conversational AI in any language Speed up transformer model inference to reduce latency Who this book is for This book is for deep learning researchers, hands-on practitioners, and ML/NLP researchers. Educators, as well as students who have a good command of programming subjects, knowledge in the field of machine learning and artificial intelligence, and who want to develop apps in the field of NLP as well as multimodal tasks will also benefit from this book’s hands-on approach. Knowledge of Python (or any programming language) and machine learning literature, as well as a basic understanding of computer science, are required.




Mastering ServiceStack


Book Description

Utilize ServiceStack as the rock solid foundation of your distributed system About This Book Take advantage of the various data providers to access authentication and authorization, sessions, cache, and database Leverage asynchronous processing for decoupling components to ease scaling Monitor and tune the performance of your distributed system Who This Book Is For Mastering ServiceStack is targeted at developers who have already implemented web services with ASMX, WCF, or ServiceStack and want to gain more insight into the possibilities ServiceStack has to offer to build distributed systems of all scales. What You Will Learn Design a prudent and resilient API, following the RESTful design Understand the internal processing chain and utilize the provided hooks Incorporate ServiceStack as a full service provider to your existing distributed system Leverage the power of asynchronous processing and add message queues to your architecture Analyze and tune the performance of your service In Detail Mastering ServiceStack covers real-life problems that occur over the lifetime of a distributed system and how to solve them by deeply understanding the tools of ServiceStack. Distributed systems is the enterprise solution that provide flexibility, reliability, scaling, and performance. ServiceStack is an outstanding tool belt to create such a system in a frictionless manner, especially sophisticated designed and fun to use. The book starts with an introduction covering the essentials, but assumes you are just refreshing, are a very fast learner, or are an expert in building web services. Then, the book explains ServiceStack's data transfer object patterns and teach you how it differs from other methods of building web services with different protocols, such as SOAP and SOA. It also introduces more low-level details such as how to extend the User Auth, message queues and concepts on how the technology works. By the end of this book, you will understand the concepts, framework, issues, and resolutions related to ServiceStack. Style and approach A step-by-step approach that follows the natural requirements of a distributed system in a conversational style.




Mastering Apex Programming


Book Description

Advance your Apex programming skills to the next level with best practices, proven techniques, and practical code samples with this updated edition along with the most recent advancements in Apex Key Features Understand the various integration asynchronous processing options in Apex and how to use them to scale you application Learn how to integrate external systems with Apex through both inbound and outbound integrations Profile and improve the performance of your Apex code Book DescriptionApplications built on the Salesforce platform are now a key part of many organizations' IT systems, with more complex and integrated solutions being delivered every day. As a Salesforce developer working with Apex, it is important to understand the range and variety of tools at your disposal, how and when to use them, and what the best practices are. This revised second edition includes a complete restructuring and five new chapters filled with detailed content on the latest Salesforce innovations including integrating with DataWeave in Apex, and utilizing Flow and Apex together to build scalable applications with Administrators. This Salesforce book starts with a discussion around common mistakes, debugging, exception handling, and testing. The second section focuses on the different asynchronous Apex programming options to help you build more scalable applications, before the third section focuses on integrations, including working with platform events and developing custom Apex REST web services. Finally, the book finishes with a section dedicated to profiling and improving the performance of your Apex including architecture. With code examples used to facilitate discussion throughout, by the end of the book you will be able to develop robust and scalable applications in Apex with confidence.What you will learn Understand common Apex mistakes and how to avoid them through best practices Learn how to debug Apex code effectively Discover the different asynchronous Apex options, common use cases, and best practices Extend the capabilities of the Salesforce platform with the power of integrations Parse and manipulate data easily with the use of DataWeave functions Develop custom Apex REST services to allow inbound integrations Profile and improve the performance of your Apex code Who this book is forDevelopers who have basic to intermediate Apex programming knowledge and are interested in mastering Apex programming while exploring the Salesforce.com platform. This book is also ideal for experienced Java or C# developers who are moving to Apex programming for developing apps on the Salesforce platform. Basic Apex programming knowledge is assumed.




Mastering Kubernetes


Book Description

Go beyond the basics of Kubernetes and explore more advanced concepts, including Kubernetes in production, governance, serverless computing, and service meshes. Purchase of the print or Kindle book includes a free eBook in PDF format. Key Features Master Kubernetes architecture and design to build, deploy, and secure large-scale distributed systems Learn advanced concepts like autoscaling, multi-cluster management, serverless computing, service meshes and policy engines Explore Kubernetes 1.25 and its rich ecosystem of tools like Kubectl, Krew, K9s, Lens, and Helm Book DescriptionThe fourth edition of the bestseller Mastering Kubernetes includes the most recent tools and code to enable you to learn the latest features of Kubernetes 1.25. This book contains a thorough exploration of complex concepts and best practices to help you master the skills of designing and deploying large-scale distributed systems on Kubernetes clusters. You’ll learn how to run complex stateless and stateful microservices on Kubernetes, including advanced features such as horizontal pod autoscaling, rolling updates, resource quotas, and persistent storage backends. In addition, you’ll understand how to utilize serverless computing and service meshes. Further, two new chapters have been added. “Governing Kubernetes” covers the problem of policy management, how admission control addresses it, and how policy engines provide a powerful governance solution. “Running Kubernetes in Production” shows you what it takes to run Kubernetes at scale across multiple cloud providers, multiple geographical regions, and multiple clusters, and it also explains how to handle topics such as upgrades, capacity planning, dealing with cloud provider limits/quotas, and cost management. By the end of this Kubernetes book, you’ll have a strong understanding of, and hands-on experience with, a wide range of Kubernetes capabilities.What you will learn Learn how to govern Kubernetes using policy engines Learn what it takes to run Kubernetes in production and at scale Build and run stateful applications and complex microservices Master Kubernetes networking with services, Ingress objects, load balancers, and service meshes Achieve high availability for your Kubernetes clusters Improve Kubernetes observability with tools such as Prometheus, Grafana, and Jaeger Extend Kubernetes with the Kubernetes API, plugins, and webhooks Who this book is for If you're a system administrator or cloud developer who wants to become comfortable with Kubernetes and would like to master its advanced features, then this book is for you. Software and DevOps engineers with a working knowledge of Kubernetes, as well as technical managers of Kubernetes-based systems, will also find this book useful. Those deciding on whether to migrate to Kubernetes and are curious about its inner workings will find plenty of answers here as well. Basic familiarity with networking concepts will prove beneficial.




API Testing and Development with Postman


Book Description

Explore the world of APIs and learn how to integrate them with production-ready applications using Postman and the Newman CLI Key FeaturesLearn the tenets of effective API testing and API designGain an in-depth understanding of the various features Postman has to offerKnow when and how to use Postman for creating high-quality APIs for software and web appsBook Description Postman enables the exploration and testing of web APIs, helping testers and developers figure out how an API works. With Postman, you can create effective test automation for any APIs. If you want to put your knowledge of APIs to work quickly, this practical guide to using Postman will help you get started. The book provides a hands-on approach to learning the implementation and associated methodologies that will have you up and running with Postman in no time. Complete with step-by-step explanations of essential concepts, practical examples, and self-assessment questions, this book begins by taking you through the principles of effective API testing. A combination of theory coupled with real-world examples will help you learn how to use Postman to create well-designed, documented, and tested APIs. You'll then be able to try some hands-on projects that will teach you how to add test automation to an already existing API with Postman, and guide you in using Postman to create a well-designed API from scratch. By the end of this book, you'll be able to use Postman to set up and run API tests for any API that you are working with. What you will learnFind out what is involved in effective API testingUse data-driven testing in Postman to create scalable API testsUnderstand what a well-designed API looks likeBecome well-versed with API terminology, including the different types of APIsGet to grips with performing functional and non-functional testing of an APIDiscover how to use industry standards such as OpenAPI and mocking in PostmanWho this book is for The book is for software testing professionals and software developers looking to improve product and API quality through API test automation. You will find this book useful if understand APIs and want to build your skills for creating, testing, and documenting APIs. The book assumes beginner-level knowledge of JavaScript and API development.




Mastering Spring 5.0


Book Description

Develop cloud native applications with microservices using Spring Boot, Spring Cloud, and Spring Cloud Data Flow About This Book Explore the new features and components in Spring Evolve towards micro services and cloud native applications Gain powerful insights into advanced concepts of Spring and Spring Boot to develop applications more effectively Understand the basics of Kotlin and use it to develop a quick service with Spring Boot Who This Book Is For This book is for an experienced Java developer who knows the basics of Spring, and wants to learn how to use Spring Boot to build applications and deploy them to the cloud. What You Will Learn Explore the new features in Spring Framework 5.0 Build microservices with Spring Boot Get to know the advanced features of Spring Boot in order to effectively develop and monitor applications Use Spring Cloud to deploy and manage applications on the Cloud Understand Spring Data and Spring Cloud Data Flow Understand the basics of reactive programming Get to know the best practices when developing applications with the Spring Framework Create a new project using Kotlin and implement a couple of basic services with unit and integration testing In Detail Spring 5.0 is due to arrive with a myriad of new and exciting features that will change the way we've used the framework so far. This book will show you this evolution—from solving the problems of testable applications to building distributed applications on the cloud. The book begins with an insight into the new features in Spring 5.0 and shows you how to build an application using Spring MVC. You will realize how application architectures have evolved from monoliths to those built around microservices. You will then get a thorough understanding of how to build and extend microservices using Spring Boot. You will also understand how to build and deploy Cloud-Native microservices with Spring Cloud. The advanced features of Spring Boot will be illustrated through powerful examples. We will be introduced to a JVM language that's quickly gaining popularity - Kotlin. Also, we will discuss how to set up a Kotlin project in Eclipse. By the end of the book, you will be equipped with the knowledge and best practices required to develop microservices with the Spring Framework. Style and approach This book follows an end-to-end tutorial approach with lots of examples and sample applications, covering the major building blocks of the Spring framework.




Postman Cookbook


Book Description

For developers, programmers, and DevOps engineers venturing into the hard world of API development, the "Postman Cookbook" becomes a must-read. This short solutions book offers recipes and troubleshooting approaches to address typical API lifecycle management challenges. Using Postman's rich features, readers of all skill levels will learn how to create APIs that will improve workflows, increase productivity, and lead to operational success. The book covers a wide range of topics, from the fundamentals of web-based communication to more complex topics including protocol stacks, secure communication protocols, and the dynamics of WebSockets interactions. The following sections cover advanced subjects such as custom protocol handling, network troubleshooting, and proxy management, allowing readers to confidently solve complex networking challenges. This book covers more than simply the technical aspects of Kubernetes. It discusses the influence of security measures, maximizing performance, and successful scaling solutions. These features are critical for microservice architectures and cloud-native apps. This book teaches early developers and programmers the foundations of API testing and development, including networking and protocols. Upon completion of this book, readers will have a thorough understanding of API development with Postman. They will be able to confidently handle the problems of modern computing. Key Learnings Enable real-time API connectivity for dynamic apps using WebSockets capability. Protect API endpoints from security flaws by configuring SSL/TLS in Postman. Define, implement, and debug bespoke protocols to connect proprietary systems to Postman. Master the art of network optimization and troubleshooting using Postman to ensure your API runs smoothly. Use Postman's proxy management to safely access APIs in a variety of network settings. Test APIs in Kubernetes and improve the deployment and development of microservices. Exploit Postman's features for thorough API tracking, logging, and analysis of performance. Secure API access with Postman's advanced authentication flows—OAuth, JWT, and more. Table of Content 1. Up and Running with Postman 2. Designing Simple to Complex APIs 3. Advanced API Requests and Workflows 4. Testing and Securing APIs 5. Managing GraphQL and gRPC with Postman 6. Continuous Integration and Deployment (CI/CD) 7. API Scalability and Performance 8. Integration with Third-Party Services 9. Working with Kubernetes and Microservices 10. API Networking and Protocols




Webcraft: Mastering the Digital Frontier


Book Description

Embark on a transformative journey through the digital frontier with "Web Alchemy: Navigating the Digital Frontier." This extraordinary book is your key to mastering the art and science of web development, from the foundational elements of HTML and CSS to the enchanting realms of JavaScript sorcery, server-side conjuring, and beyond. Discover the secrets of crafting captivating web experiences, ensuring accessibility for all, fortifying your applications against cyber threats, and creating adaptable, responsive, and even offline-ready web applications that rival native apps. With "Web Alchemy," you'll unlock the alchemical processes that turn code into captivating user experiences. Whether you're a novice web adventurer or a seasoned webmaster, this book offers a treasure trove of knowledge, practical insights, and hands-on guidance to fuel your journey. Join us in this quest to harness the web's transformative power and shape the digital world. The web is your canvas, and "Web Alchemy" is your spellbook. It's time to forge your own path in the digital frontier.