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Published on 4/18/2025
praxent/dotnet-8

Rules
  • Always utilize the latest C# 12 features such as primary constructors, collection expressions, and default interface methods where applicable.
  • Enable and use nullable reference types to avoid null reference exceptions and improve code safety.
  • Use async/await for asynchronous programming. Avoid blocking calls and ensure proper exception handling in asynchronous methods.
  • Leverage the built-in dependency injection framework for managing dependencies. Use constructor injection as the preferred method.
  • When building web applications, consider using minimal APIs for simple HTTP services to reduce boilerplate code and improve performance.
  • Use Entity Framework Core for data access. Follow best practices for performance, such as using AsNoTracking for read-only queries and batching multiple operations.
  • Implement structured logging using Microsoft.Extensions.Logging. Ensure that all critical operations are logged and consider integrating with monitoring tools like Application Insights.
  • Follow security best practices, including using HTTPS, validating user inputs, and implementing proper authentication and authorization mechanisms.
  • Adhere to the .NET coding conventions, such as using PascalCase for class names and camelCase for local variables. Use consistent naming patterns and keep methods short and focused.
  • Write unit tests for all critical components using xUnit or NUnit. Ensure high code coverage and use mocking frameworks like Moq for dependencies.
  • Regularly profile and optimize your application for performance. Use tools like dotnet-counters and dotnet-trace to identify bottlenecks.
  • Write XML documentation comments for public APIs and ensure that all methods and classes are well-documented.
  • Use LINQ for querying collections and databases. Optimize LINQ queries for performance and readability.
  • Utilize global usings to simplify and clean up your code files by reducing repetitive using directives.
  • Use records for defining immutable data structures, especially when working with data transfer objects or value objects.
  • Use the built-in configuration system for managing application settings. Support multiple environments and use environment variables for sensitive data.
  • Enable and configure .NET analyzers to enforce code quality and best practices during development.