Building Microservices with . NET Core 2. 0: Transitioning Monolithic Architectures Using Microservices with . NET Core 2. 0 Using C# 7. 0

Cover --
Title Page --
Copyright --
Credits --
Foreword --
About the Author --
About the Reviewer --
www.PacktPub.com --
Customer Feedback --
Table of Contents --
Preface --
Chapter 1: An Introduction to Microservices --
Origin of microservices --
Discussing microservices --
Monolithic architecture --
Service-Oriented architecture --
What is a service? --
Understanding the microservice architecture --
Messaging in microservices --
Synchronous messaging --
Asynchronous messaging --
Message formats --
Why should we use microservices? --
How does the microservice architecture work? --
Advantages of microservices --
SOA versus microservices --
Prerequisites of the microservice architecture --
Understanding the problems with the monolithic architectural style --
Challenges in standardizing a .NET stack --
Fault tolerance --
Scaling --
Vertical scaling or scale up --
Horizontal scaling or scale out --
Deployment challenges --
Organizational alignment --
Modularity --
Big database --
Prerequisites for microservices --
Functional overview of the application --
Solutions for current challenges --
Handling deployment problems --
Making much better monolithic applications --
Introducing dependency injections --
Database refactoring --
Database sharding and partitioning --
DevOps culture --
Automation --
Testing --
Versioning --
Deployment --
Identifying decomposition candidates within monolithic --
Important microservices advantages --
Technology independence --
Interdependency removal --
Alignment with business goals --
Cost benefits --
Easy scalability --
Security --
Data management --
Integrating monolithic --
Overview of Azure Service Fabric --
Summary --
Chapter 2: Implementing Microservices --
Introduction --
C# 7.0 --
Entity Framework Core --
Visual Studio 2017 --
Microsoft SQLServer --
Size of microservices --
What makes a good service? DDD and its importance for microservices --
Domain model design --
Importance for microservices --
The concept of seam --
Module interdependency --
Technology --
Team structure --
Database --
Master data --
Transaction --
Communication between microservices --
Benefits of the API gateway for microservices --
API gateway versus API management --
Revisiting the Flix One case study --
Prerequisites --
Transitioning to our product service --
Migrations --
Code migration --
Creating our project --
Adding the model --
Adding a repository --
Registering the repositories --
Adding a product controller --
The ProductService API --
Adding EF core support --
EF Core DbContext --
EF Core migrations --
Database migration --
Revisiting repositories and the controller --
Introducing ViewModel --
Revisiting the product controller --
Adding Swagger support --
Summary --
Chapter 3: Integration Techniques and Microservices --
Communication between services --
Styles of collaboration --
Integration patterns --
The API gateway --
The event-driven pattern --
Event sourcing --
Eventual consistency --
Compensating transactions --
Competing consumers --
Azure Service Bus --
Azure queues --
Implementing an Azure Service Bus queue --
Prerequisites --
Sending messages to the queue --
Adding configuration settings --
Receiving messages from the queue --
Summary --
Chapter 4: Testing Microservices --
How to test microservices --
Handling challenges --
Testing strategies (testing approach) --
Testing pyramid --
Types of microservice tests --
Unit testing --
Component (service) testing --
Integration testing --
Contract testing --
Consumer-driven contracts --
How to implement a consumer-driven test --
How Pact-net-core helps us achieve our goal --
Performance testing --
End-to-end (UI/functional) testing --
Sociable versus isolated unit tests --
Stubs and mocks --
Tests in action. Getting ready for the test project --
Unit tests --
Integration tests --
Consumer-driven contract tests --
Summary --
Chapter 5: Deploying Microservices --
Monolithic application deployment challenges --
Understanding the deployment terminology --
Prerequisites for successful microservice deployments --
Isolation requirements for microservice deployment --
Need for a new deployment paradigm --
Containers --
What are containers? --
Suitability of containers over virtual machines --
Transformation of the operation team's mindset --
Containers are new binaries --
Does it work on your machine? Let's ship your machine! --
Introducing Docker --
Microservice deployment with Docker overview --
Microservice deployment example using Docker --
Setting up Docker on your machine --
Prerequisites --
Creating an ASP.NET Core web application --
Summary --
Chapter 6: Securing Microservices --
Security in monolithic applications --
Security in microservices --
Why won't a traditional .NET auth mechanism work? --
JSON Web Tokens --
What is OAuth 2.0? --
What is OpenID Connect? --
Azure Active Directory --
Microservice Auth example with OpenID Connect, OAuth 2.0, and Azure AD --
Registration of TodoListService and TodoListWebApp with Azure AD tenant --
Generation of AppKey for TodoListWebApp --
Configuring Visual Studio solution projects --
Generate client certificates on IIS Express --
Running both the applications --
Azure API management as an API gateway --
Rate limit and quota policy example --
Container security --
Other security best practices --
Summary --
Chapter 7: Monitoring Microservices --
Instrumentation and telemetry --
Instrumentation --
Telemetry --
The need for monitoring --
Health monitoring --
Availability monitoring --
Performance monitoring --
Security monitoring --
SLA monitoring --
Auditing sensitive data and critical business transactions. End user monitoring --
Troubleshooting system failures --
Monitoring challenges --
Scale --
DevOps mindset --
Data flow visualization --
Testing of monitoring tools --
Monitoring strategies --
Application/system monitoring --
Real user monitoring --
Semantic monitoring and synthetic transactions --
Profiling --
Endpoint monitoring --
Logging --
Logging challenges --
Logging strategies --
Centralized logging --
Using a correlation ID in logging --
Semantic logging --
Monitoring in Azure Cloud --
Microsoft Azure Diagnostics --
Storing diagnostic data using Azure storage --
Using Azure portal --
Specifying a storage account --
Azure storage schema for diagnostic data --
Introduction of Application Insights --
Other microservice monitoring solutions --
A brief overview of the ELK stack --
Elasticsearch --
Logstash --
Kibana --
Splunk --
Alerting --
Reporting --
Summary --
Chapter 8: Scaling Microservices --
Scalability overview --
Scaling infrastructure --
Vertical scaling (scaling up) --
Horizontal scaling (scaling out) --
Microservice scalability --
Scale Cube model of scalability --
Scaling of x axis --
Scaling of z axis --
Scaling of y axis --
Characteristics of a scalable microservice --
Scaling the infrastructure --
Scaling virtual machines using scale sets --
Auto Scaling --
Container scaling using Docker Swarm --
Scaling service design --
Data persistence model design --
Caching mechanism --
CacheCow --
Azure Redis Cache --
Redundancy and fault tolerance --
Circuit breakers --
Closed state --
Open state --
Half-Open state --
Service discovery --
Summary --
Chapter 9: Introduction to Reactive Microservices --
Understanding reactive microservices --
Responsiveness --
Resilience --
Autonomous --
Message-driven: a core of reactive microservices --
Let's make code reactive --
Event communication --
Security --
Message-level security --
Scalability. Communication resilience --
Managing data --
The microservice ecosystem --
Coding reactive microservices --
Creating the project --
Communication between the application and the database --
Client --
coding it down --
Summary --
Chapter 10: Creating a Complete Microservice Solution --
Architectures before microservices --
The monolithic architecture --
Challenges in standardizing the .NET stack --
Scaling --
Service-oriented architecture --
Microservice-styled architecture --
Messaging in microservices --
Monolith transitioning --
Integration techniques --
Deployment --
Testing microservices --
Security --
Monitoring --
Monitoring challenges --
Scale --
Component lifespan --
Information visualization --
Monitoring strategies --
Scalability --
Infrastructure scaling --
Service design --
Reactive microservices --
Greenfield application --
Scoping our services --
The book-listing microservice --
The book-searching microservice --
The shopping-cart microservice --
The order microservice --
User-authentication --
Synchronous versus asynchronous --
The book-catalog microservice --
The shopping-cart microservice --
The order microservice --
The user-authentication microservice --
Summary --
Index.