Different Rules for Different Parts of Your Codebase

Copilot has a centralized way of handling instructions. Global instructions go into .github/copilot-instructions.md. You can also have path-based instruction that use a glob. These go into .github/copilot/instructions/ and have special front matter:

applyTo: &quot;<span class="hljs-strong">**/<span class="hljs-emphasis">*.ts&quot;</span></span>