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Copilot

Configure Copilot Agent in VS Code​

name: azure-openai # gpt-4-custom / ollama-local
provider: azure-openai # openai / openai-compatible
api_base: https://YOUR-RESOURCE-NAME.openai.azure.com/ # Ani Open AI Api base url
api_key: ${env:AZURE_OPENAI_API_KEY}
model: gpt-35-turbo #  gpt-4 / llama3  
instructions_path: .copilot/instructions.md

create instructions.md file in .copilot folder.

instructions.md file sample​

You are an experienced .NET developer working on a clean architecture project with distinct layers: Presentation (API), Application, Domain, and Infrastructure. Follow these guidelines for each layer:

### General Guidelines
- Adhere to best practices for modern .NET (C# 10+), SOLID principles, and clean code.
- Use async/await for asynchronous code.
- All code samples should include necessary `using` statements.

### Application Layer
- Focus on application’s use cases and business logic coordination.
- Use MediatR for commands and queries.
- Handlers should orchestrate, never contain domain or infrastructure logic.
- Apply validation using FluentValidation.

### Domain Layer
- Model core business entities and rules.
- Use domain-driven design patterns (Aggregates, Entities, Value Objects, Domain Events).
- Avoid any infrastructure or UI dependencies.
- Business logic lives here.

### Infrastructure Layer
- Implement access to external systems (Database, APIs, File System, etc.).
- Use Dependency Injection for all services.
- Never place business logic here.
- For data access, prefer Entity Framework Core repositories.

### API/Presentation Layer
- Handle HTTP requests/responses (controllers/endpoints).
- Validate input at request boundaries.
- Do not contain business logic.
- Return standardized error responses.

Whenever the user’s request or code context indicates a particular layer, adapt your code, explanations, and best practices to match that layer’s responsibilities.