Hallo .NET 8.0: Practical ASP.NET Core Minimal API
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About this ebook
Hallo .NET 8.0: Practical ASP.NET Core Minimal API is a meticulously crafted guide that takes you on an explorative journey into the world of ASP.NET Core 8.0. Designed for a broad audience, from beginners to seasoned developers, this book dives deep into the practical aspects of Minimal API development. It starts with an introductory section that sets the foundation, highlighting the evolution and significance of Minimal APIs in the .NET framework.
The core of the book is structured into comprehensive sections covering ASP.NET Core Minimal API development, database integrations, and critical aspects of web security. It stands out with its 20 hands-on lab exercises, each carefully designed to reinforce learning through practical application. From setting up development environments and building your first API to delving into complex topics like data security and efficient database handling, the book ensures a thorough understanding of each concept.
In its final chapters, the book transitions into crucial topics like monitoring and deployment, preparing readers to not only build but also sustain and optimize applications in real-world settings. This section is pivotal for understanding the lifecycle of web applications and equips readers with the skills to deploy and maintain their projects effectively.
Hallo .NET 8.0: Practical ASP.NET Core Minimal API is more than a technical manual; it's an essential tool for mastering the ASP.NET Core 8.0 framework. Whether you're developing your first web application or looking to upgrade existing skills, this book is an invaluable asset. Its practical approach, combined with in-depth coverage of essential topics, makes it a must-have for anyone aspiring to excel in the rapidly evolving field of web development. Embark on this learning adventure and arm yourself with the knowledge and skills to confidently navigate the world of ASP.NET Core 8.0.
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Hallo .NET 8.0 - Agus Kurniawan
Preface
In the ever-evolving landscape of software development, staying abreast of the latest technologies and frameworks is not just a requirement but a necessity. With the release of .NET 8.0, Microsoft continues its tradition of offering robust, efficient, and forward-thinking solutions for developers worldwide. Among its many features, ASP.NET Core Minimal API stands out as a revolutionary approach to building web APIs with less boilerplate code, enabling developers to focus more on their application’s core functionality.
Hallo .NET 8.0: Practical ASP.NET Core Minimal API
is crafted to guide you through the journey of understanding and implementing Minimal APIs in .NET 8.0. This book aims to equip you with the knowledge and practical skills to build efficient and scalable web APIs using the new features and paradigms introduced in .NET 8.0. Whether you are a seasoned developer or just starting, this book will serve as a comprehensive resource for mastering Minimal APIs.
Throughout this book, we’ll delve into various aspects of ASP.NET Core Minimal API, starting from the basics and gradually moving to more advanced topics. You’ll learn about:
The fundamentals of .NET 8.0 and its improvements over previous versions.
Step-by-step guidance on setting up and configuring a Minimal API project.
Best practices for structuring your projects for maintainability and scalability.
Advanced features like dependency injection, middleware integration, and data access.
Practical examples demonstrating the use of Minimal APIs in real-world scenarios.
Deployment strategies and performance optimization tips.
This book is designed for a wide range of readers - from beginners who have a basic understanding of .NET and C# to experienced developers looking to enhance their skills with the latest advancements in .NET 8.0. It’s also a valuable resource for IT professionals, students, and anyone interested in developing modern web applications efficiently.
Agus Kurniawan
Depok, December 2023
Acknowledgments
A heartfelt thank you to the community of developers, contributors, and technology enthusiasts whose feedback and insights have been invaluable in shaping this book.
As you turn these pages, I hope you find Hallo .NET 8.0: Practical ASP.NET Core Minimal API
not only informative but also inspiring, opening new avenues for your creativity and innovation in the world of software development.
1 Introduction
1.1 Overview of .NET 8.0
.NET 8.0 marks a significant milestone in the evolution of Microsoft’s .NET platform. Building upon the foundation laid by its predecessors, .NET 8.0 brings a host of new features, improvements, and optimizations that cater to the needs of modern software development. This section delves into the core aspects of .NET 8.0, highlighting its most impactful changes and how they benefit developers and businesses alike.
1.1.1 Unified Platform
.NET 8.0 continues the journey towards a unified framework, further integrating capabilities across different .NET components. This unification simplifies the development process, making it easier for developers to build applications that run seamlessly across various platforms, including Windows, Linux, macOS, and mobile devices.
1.1.2 Performance Enhancements
One of the hallmark features of .NET 8.0 is its enhanced performance. The runtime and core libraries have undergone significant optimizations, resulting in faster application startup times, reduced memory footprint, and improved overall efficiency. These enhancements ensure that applications built on .NET 8.0 are not only faster but also more resource-efficient.
1.1.3 Improved Cloud and Container Support
.NET 8.0 offers enhanced support for cloud and container-based environments. With native cloud integration and optimized container performance, it becomes a go-to choice for building cloud-native applications. This version also includes features that simplify the development and deployment of microservices and serverless applications.
1.1.4 Enhanced C# Language Features
C# continues to evolve alongside .NET, and version 8.0 of the framework fully supports the latest version of the C# language. This update introduces new language features that promote cleaner, more maintainable code, enhancing developer productivity and application maintainability.
1.1.5 Blazor and WebAssembly Innovations
Blazor, Microsoft’s framework for building interactive web UIs with C#, receives significant updates in .NET 8.0. These include performance improvements and new features for Blazor WebAssembly, enabling developers to build highly performant client-side web applications.
1.1.6 Expanded AI and Machine Learning Capabilities
.NET 8.0 expands its capabilities in AI and machine learning with enhanced ML.NET libraries. This makes it easier for developers to integrate machine learning into their applications, leveraging the power of AI for more intelligent, data-driven solutions.
1.1.7 Better Security and Compliance
Security is a top priority in .NET 8.0, with strengthened security measures and compliance features. This ensures that applications built using .NET 8.0 are not only robust and performant but also secure and compliant with the latest industry standards.
1.1.8 Enhanced Tooling and Development Experience
Finally, .NET 8.0 brings improvements to its tooling and development experience. With a more refined Visual Studio integration, developers can enjoy a smoother, more efficient development workflow, complete with powerful debugging and diagnostic tools.
1.2 Understanding ASP.NET Core Minimal API
Minimal APIs in ASP.NET Core 8 represent a streamlined, low-ceremony method for building HTTP APIs. They are designed to reduce the complexity and boilerplate code traditionally associated with setting up a new API in ASP.NET Core.
Key Features of Minimal APIs
Simplicity and Conciseness: Emphasize how Minimal APIs reduce the amount of code needed to start a basic API project, making them ideal for small services or microservices.
Routing and Middleware Integration: Explain how routing is handled in Minimal APIs and how they seamlessly integrate with existing middleware in the ASP.NET Core ecosystem.
Dependency Injection: Describe how Minimal APIs support dependency injection, allowing services to be injected directly into route handlers.
Building a Minimal API
Setting Up: Step-by-step guide on setting up a new project with a Minimal API in ASP.NET Core 8, including the required NuGet packages and project configuration.
Defining Endpoints: Demonstrate how to define HTTP endpoints (GET, POST, PUT, DELETE) using the simplified syntax of Minimal APIs.
Request and Response Handling: Overview of handling requests and sending responses, including parsing query parameters and returning different types of responses (JSON, plain text, etc.).
1.3 Benefits of Using Minimal APIs
Reduced Complexity: Discuss how Minimal APIs make it easier to build and maintain small to medium-sized APIs by reducing the layers of abstraction and the amount of boilerplate code.
Improved Performance: Highlight any performance improvements associated with using Minimal APIs, particularly in terms of memory footprint and startup time.
Flexibility and Testability: Explain how the simplicity of Minimal APIs offers greater flexibility in development and makes unit testing more straightforward.
1.4 Best Practices and Use Cases
When to Use Minimal APIs: Provide guidance on scenarios where Minimal APIs are the most beneficial, such as microservices, small web services, or when building APIs for simple applications.
Best Practices: Share best practices for structuring and organizing Minimal API projects, error handling, and security considerations.
1.5 Setting Up the Development Environment
To effectively work with .NET 8.0 and utilize Native AOT, it’s crucial to set up a robust development environment. This section walks you through the steps to prepare your system for .NET 8.0 development, focusing on tools, software, and configurations necessary for taking full advantage of Native