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Command Handler Function for CQRS Pattern

This folder contains the C# code for the Command Handler Function. This function handles the insertion of data by publishing events to Azure Event Hubs.

📑 Files

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

🚀 How to Deploy the Command 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_COMMAND_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_COMMAND_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 Command Handler Function workflow from the Actions tab.

  3. Monitor the Deployment:

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

📝 How It Works

  • The Command Handler Function listens for HTTP POST requests.
  • Upon receiving a request, it validates the data, then publishes the event to Azure Event Hubs.
  • The Update Processor Function will process the event and update the Command DB.

📄 License

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