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Query Handler Function for CQRS Pattern

This folder contains the C# code for the Query Handler Function. This function handles data retrieval (query) operations by accessing the Query DB.

📑 Files

  • QueryHandler.csproj: C# project file for the Query Handler function.
  • QueryHandler.cs: Main code for the Query Handler function.
  • deploy-query-handler.yml: GitHub Action workflow to automate the deployment of the Query Handler function.

🚀 How to Deploy the Query Handler Function

Prerequisites

  1. Azure Subscription: You need an active Azure account.
  2. Azure Function App: Ensure the Azure Function App is created (using the Bicep template in the /infrastructure folder).
  3. GitHub Secrets Configuration:
    • AZURE_FUNCTIONAPP_PUBLISH_PROFILE_QUERY_HANDLER: Publish profile for the Azure Function App.

Steps to Deploy

  1. Add Required Secrets to GitHub:

    • Go to your repository's Settings > Secrets and variables > Actions > New repository secret.
    • Add the following secret:
      • AZURE_FUNCTIONAPP_PUBLISH_PROFILE_QUERY_HANDLER: The publish profile for your Azure Function App.

  2. Run the GitHub Action:

    • Push your changes to the main branch or manually trigger the Deploy Query Handler Function workflow from the Actions tab.

  3. Monitor the Deployment:

    • Go to the Actions tab in your GitHub repository.
    • Select the Deploy Query Handler Function workflow to monitor the deployment progress.

📝 How It Works

  • The Query Handler Function listens for HTTP GET requests.
  • It retrieves the requested data from the Query DB and returns the result.

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.