Amines/21

[aminespinoza10]

This pull request introduces several updates across multiple files, focusing on improving the ContactosAPI project with new features, telemetry integration, and updates to class materials. Below is a summary of the most important changes grouped by theme:

Telemetry and Monitoring Enhancements

• Integrated OpenTelemetry for metrics and tracing in ContactosAPI by adding packages (Azure.Monitor.OpenTelemetry.Exporter, OpenTelemetry.Extensions.Hosting, OpenTelemetry.Instrumentation.AspNetCore, and OpenTelemetry.Instrumentation.Http) and updating Program.cs to configure telemetry services. [1] [2]

New Features in ContactosAPI

• Added a new /obtenercontactos endpoint to retrieve a list of contacts and included an associated test case (ContactosTest) to validate the functionality.

Updates to Class Materials

• Class 13: Fixed a syntax issue in the Terraform init command by correcting the backend-config parameter.
• Class 14: Added detailed class material, including a GitHub Actions workflow for deploying a Docker-based API to Azure Container Apps.
• Class 15: Provided instructions for adding OpenTelemetry NuGet packages, creating appsettings.json for Azure Monitor, and updating Program.cs for telemetry integration.
• Class 16: Included sample KQL queries for monitoring Azure resources.
• Class 18: Added a new method for the /obtenercontactos endpoint and instructions for writing a test case.

These changes improve the functionality, observability, and educational content of the project while ensuring better deployment practices and monitoring capabilities.

Close #21

[gndx]

LGTM