NET-Microservices-Architecture-for-Containerized-NET-Applications

Additional resources ..................................................................................................................................................... 231
Domain events: design and implementation ........................................................................................................... 231
What is a domain event? ............................................................................................................................................. 232
Domain events versus integration events ............................................................................................................ 232
Domain events as a preferred way to trigger side effects across multiple aggregates within the
same domain ................................................................................................................................................................... 233
Implement domain events .......................................................................................................................................... 235
Conclusions on domain events ................................................................................................................................. 242
Additional resources ..................................................................................................................................................... 243
Design the infrastructure persistence layer .............................................................................................................. 243
The Repository pattern ................................................................................................................................................ 244
Additional resources ..................................................................................................................................................... 247
Implement the infrastructure persistence layer with Entity Framework Core ............................................ 248
Introduction to Entity Framework Core ................................................................................................................. 248
Infrastructure in Entity Framework Core from a DDD perspective ............................................................. 249
Implement custom repositories with Entity Framework Core ...................................................................... 250
EF DbContext and IUnitOfWork instance lifetime in your IoC container ................................................. 253
The repository instance lifetime in your IoC container ................................................................................... 254
Table mapping ................................................................................................................................................................ 254
Implement the Query Specification pattern ........................................................................................................ 257
Use NoSQL databases as a persistence infrastructure ......................................................................................... 260
Introduction to Azure Cosmos DB and the native Cosmos DB API ........................................................... 261
Implement .NET code targeting MongoDB and Azure Cosmos DB .......................................................... 263
Design the microservice application layer and Web API .................................................................................... 270
Use SOLID principles and Dependency Injection .............................................................................................. 270
Implement the microservice application layer using the Web API ................................................................. 271
Use Dependency Injection to inject infrastructure objects into your application layer ..................... 271
Implement the Command and Command Handler patterns ....................................................................... 275
The Command process pipeline: how to trigger a command handler ..................................................... 281
Implement the command process pipeline with a mediator pattern (MediatR) .................................. 284
Apply cross-cutting concerns when processing commands with the Behaviors in MediatR .......... 289
Implement resilient applications ....................................................................................... 294
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