.NET Ecosystem

The everyday libraries: files, JSON, configuration, logging and dependency injection.

1. 8.1

   Files & JSON

   • File I/O
   • System.Text.Json
   • Files and JSON— Read and write files, and convert objects to and from JSON with System.Text.Json.12 min
2. 8.2

   Configuration & logging

   • appsettings.json
   • Options pattern
   • ILogger
   • Configuration and logging— Read settings from files, environment variables and secrets with IConfiguration and the options pattern — and log with ILogger.12 min
3. 8.3

   Dependency injection

   • Why DI
   • Service lifetimes
   • IServiceCollection
   • Dependency injection— Let classes receive their dependencies instead of creating them — for flexible, testable code.14 min