Demo: Azure Functions in a Container App

This demonstration presents a simple product catalog service that's deployable to an Azure Container App resource. The build artifact is hosted in GitHub Packages.

Technology stack

This demo uses the following technologies:

• Docker & Docker Compose
• SQL Server on Linux
• .NET Core 6.0
• Azure Functions (Isolated worker)
• Azure Functions HTTP triggers
• Entity Framewok Core (with Migrations and Compiled Models)
• Terraform

Running the demo

After installing the prerequirements, follow these instructions:

1. Checkout the source
2. Open the folder in VS Code
3. Install the recommended extensions
4. Copy the connection string from docker-compose.yml, replacing server name with localhost
5. Open a shell prompt, and
   • Set the SQL_CONNECTION_STRING environment variable's value to the connection string from step #4
   • Issue docker compose --project-directory "src" up -d
6. You can now reach the API at http://localhost:32741/api/products endpoint.
   • Copy the function key from host_secrets.json and supply the value either via code query parameter or via x-functions-key header
7. Issue docker compose --project-directory "src" stop to stop the containers

Deploying to Azure

After installing the prerequirements, follow these instructions:

1. Get yourself an Azure Subscription to which you want to deploy resources
2. Go to Azure Portal, and copy the subscription ID to clipboard
3. Install the necessary Terraform CLI and Az CLI tools to your computer
4. Go to the deploy/azure folder, and run terraform init
5. Run terraform apply and paste the subscription ID when prompted
6. Type in yes to begin deploying the resources
7. Remember to use terraform destroy afterwards to remove the resources