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How To Guides

As you get more familiar with the code base, we want you to feel empowered to customize and run the template however you wish. This section provides guides for common tasks and troubleshooting.

Table of Contents

Use VS Code development container

If you would like to use VS Code to develop inside a container, take a look at this article.

Apple M1 Mac users: currently the Dev Container definition is based on an amd64 Docker image. However, the Dev Container itself installs Docker so creation of the Dev Container will fail, as the architecture of Docker--even within a container--must match that of the host machine. Furthermore, an arm64 version of the .NET debugger is not yet available. This means that use of this template within a Dev Container on an Apple M1 Mac is not yet possible.

Use local VS Code with GitHub Codespaces

If you would like to use VS Code locally and connect to GitHub Codespaces, follow these steps outlined in this article: Using Codespaces in VS Code.

Run your app in Visual Studio (Windows)

If you would like to use the Visual Studio, ensure to do the following before opening the solution file webapi-dotnet.sln:

  1. Ensure Docker, Docker Compose, and sqlcmd utilities are installed.
  2. Open a command prompt in the repository root folder (Tools -> Command Prompt) and run the initialization script .\init.cmd. This script will start and populate the database used by the web API.

Clean and Rebuild your dev environment

The .devcontainer folder contains all of the development environment configuration to run the application in Codespaces or a dev container. When changes are made to any file in this folder, you must open the Command Palette (Ctrl + Shift + P or CMD + Shift + P) and run Remote-Containers: Rebuild Container or Remote-Containers: Rebuild and Reopen in Container depending on if you are in a dev container or not.

Troubleshooting issues when deploying to Azure

Look at this article for troubleshooting a wide range of common deployment errors, when deploying to Azure.

Azure Web Apps documentation also provides information on troubleshooting deployment and application issues using Visual Studio 2019. This article is a good starting point: Troubleshoot an app in Azure App Service using Visual Studio.

Deploy to a specific region

The template deploys to the region specified in the AZURE_LOCATION attribute in the config.yaml file.

Please note that changing the region will not delete any existing deployments.

Create multiple environments

To create multiple environments of the application, you can either extend the existing workflow, or duplicate the workflow. GitHub provides guidance on how to manage complex workflows.

Change names of resources of the resource group

As part of this template, resource names are generated automatically.

You can change the RESOURCE_NAME_PREFIX and ENVIRONMENT_TAG attribute in the config.yaml file to influence the generated resource group and resource names.

Add a new service

To add an additional service to this template, you need to ensure the following:

  1. Add the required Bicep definition for the Azure resource to host the service in the infra folder.
  2. Add a reference to the module in the main.bicep file. To learn more about Bicep take a look here.
  3. Add the service code.
  4. To build your service as part of the build-release workflow, add the required build job at the beginning of the workflow.
  5. For any additional actions required as part of deploying the service, you can add the required steps to the install.sh script.

For more information about the build and release setup in the template, look here.

Troubleshoot Codespaces

If you encounter any issues with Codespaces, this document provides a list of common questions when using Codespaces

Note that if you have user settings synchronization turned on in VS Code, these are also applied when opening VS Code in the browser in Codespaces.

Exporting SQL database schema and data to a BACPAC file

During cloud deployment, the database is created and seeded using a BACPAC file. If you need to change your database structure, you can use the following steps to produce a new BACPAC file that reflects the updated schema:

  1. Install the sqlpackage tool

  2. Export the database content to the BACPAC file. Replace your-password as necessary:

    ~/bin/sqlpackage/sqlpackage /Action:export /OverwriteFiles:true /SourceServerName:localhost /SourceDatabaseName:webapidb /SourceUser:sa /SourcePassword:your-password /p:TableData=dbo.MyData /TargetFile:./deploy/infra/webapi/webapidb.bacpacinfra/webapidb.bacpac