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ยท 19 min read
Alex Wolf

Welcome to Day 24 of #30DaysOfServerless!

We continue exploring E2E scenarios with this tutorial where you'll deploy a containerized ASP.NET Core 6.0 application to Azure Container Apps.

The application consists of a front-end web app built using Blazor Server, as well as two Web API projects to manage data. These projects will exist as three separate containers inside of a shared container apps environment.


What We'll Coverโ€‹

  • Deploy ASP.NET Core 6.0 app to Azure Container Apps
  • Automate deployment workflows using GitHub Actions
  • Provision and deploy resources using Azure Bicep
  • Exercise: Try this yourself!
  • Resources: For self-study!


Introduction

Azure Container Apps enables you to run microservices and containerized applications on a serverless platform. With Container Apps, you enjoy the benefits of running containers while leaving behind the concerns of manually configuring cloud infrastructure and complex container orchestrators.

In this tutorial, you'll deploy a containerized ASP.NET Core 6.0 application to Azure Container Apps. The application consists of a front-end web app built using Blazor Server, as well as two Web API projects to manage data. These projects will exist as three separate containers inside of a shared container apps environment.

You will use GitHub Actions in combination with Bicep to deploy the application. These tools provide an approachable and sustainable solution for building CI/CD pipelines and working with Container Apps.

PRE-REQUISITES

Architectureโ€‹

In this tutorial, we'll setup a container app environment with a separate container for each project in the sample store app. The major components of the sample project include:

  • A Blazor Server front-end web app to display product information
  • A products API to list available products
  • An inventory API to determine how many products are in stock
  • GitHub Actions and Bicep templates to provision Azure resources and then build and deploy the sample app.

You will explore these templates later in the tutorial.

Public internet traffic should be proxied to the Blazor app. The back-end APIs should only be reachable via requests from the Blazor app inside the container apps environment. This setup can be achieved using container apps environment ingress configurations during deployment.

An architecture diagram of the shopping app


Project Sourcesโ€‹

Want to follow along? Fork the sample below. The tutorial can be completed with or without Dapr integration. Pick the path you feel comfortable in. Dapr provides various benefits that make working with Microservices easier - you can learn more in the docs. For this tutorial you will need GitHub and Azure CLI.

PICK YOUR PATH

To follow along with this tutorial, fork the relevant sample project below.

You can run the app locally from Visual Studio:

  • Right click on the Blazor Store project and select Set as Startup Project.
  • Press the start button at the top of Visual Studio to run the app.
  • (Once running) start each API in the background by
  • right-clicking on the project node
  • selecting Debug --> Start without debugging.

Once the Blazor app is running, you should see something like this:

An architecture diagram of the shopping app


Configuring Azure credentialsโ€‹

In order to deploy the application to Azure through GitHub Actions, you first need to create a service principal. The service principal will allow the GitHub Actions process to authenticate to your Azure subscription to create resources and deploy code. You can learn more about Service Principals in the Azure CLI documentation. For this step you'll need to be logged into the Azure CLI.

  1. If you have not done so already, make sure to fork the sample project to your own GitHub account or organization.

  2. Once you have completed this step, create a service principal using the Azure CLI command below:

    $subscriptionId=$(az account show --query id --output tsv)
    az ad sp create-for-rbac --sdk-auth --name WebAndApiSample --role Contributor --scopes /subscriptions/$subscriptionId
  3. Copy the JSON output of the CLI command to your clipboard

  4. Under the settings tab of your forked GitHub repo, create a new secret named AzureSPN. The name is important to match the Bicep templates included in the project, which we'll review later. Paste the copied service principal values on your clipboard into the secret and save your changes. This new secret will be used by the GitHub Actions workflow to authenticate to Azure.

    :::image type="content" source="./img/dotnet/github-secrets.png" alt-text="A screenshot of adding GitHub secrets.":::

Deploy using Github Actionsโ€‹

You are now ready to deploy the application to Azure Container Apps using GitHub Actions. The sample application includes a GitHub Actions template that is configured to build and deploy any changes to a branch named deploy. The deploy branch does not exist in your forked repository by default, but you can easily create it through the GitHub user interface.

  1. Switch to the Actions tab along the top navigation of your GitHub repository. If you have not done so already, ensure that workflows are enabled by clicking the button in the center of the page.

A screenshot showing how to enable GitHub actions

  1. Navigate to the main Code tab of your repository and select the main dropdown. Enter deploy into the branch input box, and then select Create branch: deploy from 'main'.

A screenshot showing how to create the deploy branch

  1. On the new deploy branch, navigate down into the .github/workflows folder. You should see a file called deploy.yml, which contains the main GitHub Actions workflow script. Click on the file to view its content. You'll learn more about this file later in the tutorial.

  2. Click the pencil icon in the upper right to edit the document.

  3. Change the RESOURCE_GROUP_NAME: value to msdocswebappapis or another valid resource group name of your choosing.

  4. In the upper right of the screen, select Start commit and then Commit changes to commit your edit. This will persist the change to the file and trigger the GitHub Actions workflow to build and deploy the app.

A screenshot showing how to commit changes

  1. Switch to the Actions tab along the top navigation again. You should see the workflow running to create the necessary resources and deploy the app. The workflow may take several minutes to run. When it completes successfully, all of the jobs should have a green checkmark icon next to them.

The completed GitHub workflow.

Explore the Azure resourcesโ€‹

Once the GitHub Actions workflow has completed successfully you can browse the created resources in the Azure portal.

  1. On the left navigation, select Resource Groups. Next,choose the msdocswebappapis resource group that was created by the GitHub Actions workflow.

  2. You should see seven resources available that match the screenshot and table descriptions below.

The resources created in Azure.

Resource nameTypeDescription
inventoryContainer appThe containerized inventory API.
msdocswebappapisacrContainer registryA registry that stores the built Container images for your apps.
msdocswebappapisaiApplication insightsApplication insights provides advanced monitoring, logging and metrics for your apps.
msdocswebappapisenvContainer apps environmentA container environment that manages networking, security and resource concerns. All of your containers live in this environment.
msdocswebappapislogsLog Analytics workspaceA workspace environment for managing logging and analytics for the container apps environment
productsContainer appThe containerized products API.
storeContainer appThe Blazor front-end web app.
  1. You can view your running app in the browser by clicking on the store container app. On the overview page, click the Application Url link on the upper right of the screen.

    :::image type="content" source="./img/dotnet/application-url.png" alt-text="The link to browse the app.":::

Understanding the GitHub Actions workflowโ€‹

The GitHub Actions workflow created and deployed resources to Azure using the deploy.yml file in the .github folder at the root of the project. The primary purpose of this file is to respond to events - such as commits to a branch - and run jobs to accomplish tasks. The deploy.yml file in the sample project has three main jobs:

  • Provision: Create the necessary resources in Azure, such as the container apps environment. This step leverages Bicep templates to create the Azure resources, which you'll explore in a moment.
  • Build: Create the container images for the three apps in the project and store them in the container registry.
  • Deploy: Deploy the container images to the different container apps created during the provisioning job.

The deploy.yml file also accepts parameters to make the workflow more dynamic, such as setting the resource group name or the Azure region resources will be provisioned to.

Below is a commented version of the deploy.yml file that highlights the essential steps.

name: Build and deploy .NET application to Container Apps

# Trigger the workflow on pushes to the deploy branch
on:
push:
branches:
- deploy

env:
# Set workflow variables
RESOURCE_GROUP_NAME: msdocswebappapis

REGION: eastus

STORE_DOCKER: Store/Dockerfile
STORE_IMAGE: store

INVENTORY_DOCKER: Store.InventoryApi/Dockerfile
INVENTORY_IMAGE: inventory

PRODUCTS_DOCKER: Store.ProductApi/Dockerfile
PRODUCTS_IMAGE: products

jobs:
# Create the required Azure resources
provision:
runs-on: ubuntu-latest

steps:

- name: Checkout to the branch
uses: actions/checkout@v2

- name: Azure Login
uses: azure/login@v1
with:
creds: ${{ secrets.AzureSPN }}

- name: Create resource group
uses: azure/CLI@v1
with:
inlineScript: >
echo "Creating resource group in Azure"
echo "Executing 'az group create -l ${{ env.REGION }} -n ${{ env.RESOURCE_GROUP_NAME }}'"
az group create -l ${{ env.REGION }} -n ${{ env.RESOURCE_GROUP_NAME }}

# Use Bicep templates to create the resources in Azure
- name: Creating resources
uses: azure/CLI@v1
with:
inlineScript: >
echo "Creating resources"
az deployment group create --resource-group ${{ env.RESOURCE_GROUP_NAME }} --template-file '/github/workspace/Azure/main.bicep' --debug

# Build the three app container images
build:
runs-on: ubuntu-latest
needs: provision

steps:

- name: Checkout to the branch
uses: actions/checkout@v2

- name: Azure Login
uses: azure/login@v1
with:
creds: ${{ secrets.AzureSPN }}

- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v1

- name: Login to ACR
run: |
set -euo pipefail
access_token=$(az account get-access-token --query accessToken -o tsv)
refresh_token=$(curl https://${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io/oauth2/exchange -v -d "grant_type=access_token&service=${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io&access_token=$access_token" | jq -r .refresh_token)
docker login -u 00000000-0000-0000-0000-000000000000 --password-stdin ${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io <<< "$refresh_token"

- name: Build the products api image and push it to ACR
uses: docker/build-push-action@v2
with:
push: true
tags: ${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io/${{ env.PRODUCTS_IMAGE }}:${{ github.sha }}
file: ${{ env.PRODUCTS_DOCKER }}

- name: Build the inventory api image and push it to ACR
uses: docker/build-push-action@v2
with:
push: true
tags: ${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io/${{ env.INVENTORY_IMAGE }}:${{ github.sha }}
file: ${{ env.INVENTORY_DOCKER }}

- name: Build the frontend image and push it to ACR
uses: docker/build-push-action@v2
with:
push: true
tags: ${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io/${{ env.STORE_IMAGE }}:${{ github.sha }}
file: ${{ env.STORE_DOCKER }}

# Deploy the three container images
deploy:
runs-on: ubuntu-latest
needs: build

steps:

- name: Checkout to the branch
uses: actions/checkout@v2

- name: Azure Login
uses: azure/login@v1
with:
creds: ${{ secrets.AzureSPN }}

- name: Installing Container Apps extension
uses: azure/CLI@v1
with:
inlineScript: >
az config set extension.use_dynamic_install=yes_without_prompt

az extension add --name containerapp --yes

- name: Login to ACR
run: |
set -euo pipefail
access_token=$(az account get-access-token --query accessToken -o tsv)
refresh_token=$(curl https://${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io/oauth2/exchange -v -d "grant_type=access_token&service=${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io&access_token=$access_token" | jq -r .refresh_token)
docker login -u 00000000-0000-0000-0000-000000000000 --password-stdin ${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io <<< "$refresh_token"

- name: Deploy Container Apps
uses: azure/CLI@v1
with:
inlineScript: >
az containerapp registry set -n products -g ${{ env.RESOURCE_GROUP_NAME }} --server ${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io

az containerapp update -n products -g ${{ env.RESOURCE_GROUP_NAME }} -i ${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io/${{ env.PRODUCTS_IMAGE }}:${{ github.sha }}

az containerapp registry set -n inventory -g ${{ env.RESOURCE_GROUP_NAME }} --server ${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io

az containerapp update -n inventory -g ${{ env.RESOURCE_GROUP_NAME }} -i ${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io/${{ env.INVENTORY_IMAGE }}:${{ github.sha }}

az containerapp registry set -n store -g ${{ env.RESOURCE_GROUP_NAME }} --server ${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io

az containerapp update -n store -g ${{ env.RESOURCE_GROUP_NAME }} -i ${{ env.RESOURCE_GROUP_NAME }}acr.azurecr.io/${{ env.STORE_IMAGE }}:${{ github.sha }}

- name: logout
run: >
az logout

Understanding the Bicep templatesโ€‹

During the provisioning stage of the GitHub Actions workflow, the main.bicep file is processed. Bicep files provide a declarative way of generating resources in Azure and are ideal for managing infrastructure as code. You can learn more about Bicep in the related documentation. The main.bicep file in the sample project creates the following resources:

  • The container registry to store images of the containerized apps.
  • The container apps environment, which handles networking and resource management for the container apps.
  • Three container apps - one for the Blazor front-end and two for the back-end product and inventory APIs.
  • Configuration values to connect these services together

main.bicep without Daprโ€‹

param location string = resourceGroup().location

# create the azure container registry
resource acr 'Microsoft.ContainerRegistry/registries@2021-09-01' = {
name: toLower('${resourceGroup().name}acr')
location: location
sku: {
name: 'Basic'
}
properties: {
adminUserEnabled: true
}
}

# create the aca environment
module env 'environment.bicep' = {
name: 'containerAppEnvironment'
params: {
location: location
}
}

# create the various configuration pairs
var shared_config = [
{
name: 'ASPNETCORE_ENVIRONMENT'
value: 'Development'
}
{
name: 'APPINSIGHTS_INSTRUMENTATIONKEY'
value: env.outputs.appInsightsInstrumentationKey
}
{
name: 'APPLICATIONINSIGHTS_CONNECTION_STRING'
value: env.outputs.appInsightsConnectionString
}
]

# create the products api container app
module products 'container_app.bicep' = {
name: 'products'
params: {
name: 'products'
location: location
registryPassword: acr.listCredentials().passwords[0].value
registryUsername: acr.listCredentials().username
containerAppEnvironmentId: env.outputs.id
registry: acr.name
envVars: shared_config
externalIngress: false
}
}

# create the inventory api container app
module inventory 'container_app.bicep' = {
name: 'inventory'
params: {
name: 'inventory'
location: location
registryPassword: acr.listCredentials().passwords[0].value
registryUsername: acr.listCredentials().username
containerAppEnvironmentId: env.outputs.id
registry: acr.name
envVars: shared_config
externalIngress: false
}
}

# create the store api container app
var frontend_config = [
{
name: 'ProductsApi'
value: 'http://${products.outputs.fqdn}'
}
{
name: 'InventoryApi'
value: 'http://${inventory.outputs.fqdn}'
}
]

module store 'container_app.bicep' = {
name: 'store'
params: {
name: 'store'
location: location
registryPassword: acr.listCredentials().passwords[0].value
registryUsername: acr.listCredentials().username
containerAppEnvironmentId: env.outputs.id
registry: acr.name
envVars: union(shared_config, frontend_config)
externalIngress: true
}
}

main.bicep with Daprโ€‹


param location string = resourceGroup().location

# create the azure container registry
resource acr 'Microsoft.ContainerRegistry/registries@2021-09-01' = {
name: toLower('${resourceGroup().name}acr')
location: location
sku: {
name: 'Basic'
}
properties: {
adminUserEnabled: true
}
}

# create the aca environment
module env 'environment.bicep' = {
name: 'containerAppEnvironment'
params: {
location: location
}
}

# create the various config pairs
var shared_config = [
{
name: 'ASPNETCORE_ENVIRONMENT'
value: 'Development'
}
{
name: 'APPINSIGHTS_INSTRUMENTATIONKEY'
value: env.outputs.appInsightsInstrumentationKey
}
{
name: 'APPLICATIONINSIGHTS_CONNECTION_STRING'
value: env.outputs.appInsightsConnectionString
}
]

# create the products api container app
module products 'container_app.bicep' = {
name: 'products'
params: {
name: 'products'
location: location
registryPassword: acr.listCredentials().passwords[0].value
registryUsername: acr.listCredentials().username
containerAppEnvironmentId: env.outputs.id
registry: acr.name
envVars: shared_config
externalIngress: false
}
}

# create the inventory api container app
module inventory 'container_app.bicep' = {
name: 'inventory'
params: {
name: 'inventory'
location: location
registryPassword: acr.listCredentials().passwords[0].value
registryUsername: acr.listCredentials().username
containerAppEnvironmentId: env.outputs.id
registry: acr.name
envVars: shared_config
externalIngress: false
}
}

# create the store api container app
module store 'container_app.bicep' = {
name: 'store'
params: {
name: 'store'
location: location
registryPassword: acr.listCredentials().passwords[0].value
registryUsername: acr.listCredentials().username
containerAppEnvironmentId: env.outputs.id
registry: acr.name
envVars: shared_config
externalIngress: true
}
}


Bicep Modulesโ€‹

The main.bicep file references modules to create resources, such as module products. Modules are a feature of Bicep templates that enable you to abstract resource declarations into their own files or sub-templates. As the main.bicep file is processed, the defined modules are also evaluated. Modules allow you to create resources in a more organized and reusable way. They can also define input and output parameters that are passed to and from the parent template, such as the name of a resource.

For example, the environment.bicep module extracts the details of creating a container apps environment into a reusable template. The module defines necessary resource dependencies such as Log Analytics Workspaces and an Application Insights instance.

environment.bicep without Daprโ€‹

param baseName string = resourceGroup().name
param location string = resourceGroup().location

resource logs 'Microsoft.OperationalInsights/workspaces@2021-06-01' = {
name: '${baseName}logs'
location: location
properties: any({
retentionInDays: 30
features: {
searchVersion: 1
}
sku: {
name: 'PerGB2018'
}
})
}

resource appInsights 'Microsoft.Insights/components@2020-02-02' = {
name: '${baseName}ai'
location: location
kind: 'web'
properties: {
Application_Type: 'web'
WorkspaceResourceId: logs.id
}
}

resource env 'Microsoft.App/managedEnvironments@2022-01-01-preview' = {
name: '${baseName}env'
location: location
properties: {
appLogsConfiguration: {
destination: 'log-analytics'
logAnalyticsConfiguration: {
customerId: logs.properties.customerId
sharedKey: logs.listKeys().primarySharedKey
}
}
}
}

output id string = env.id
output appInsightsInstrumentationKey string = appInsights.properties.InstrumentationKey
output appInsightsConnectionString string = appInsights.properties.ConnectionString

environment.bicep with Daprโ€‹


param baseName string = resourceGroup().name
param location string = resourceGroup().location

resource logs 'Microsoft.OperationalInsights/workspaces@2021-06-01' = {
name: '${baseName}logs'
location: location
properties: any({
retentionInDays: 30
features: {
searchVersion: 1
}
sku: {
name: 'PerGB2018'
}
})
}

resource appInsights 'Microsoft.Insights/components@2020-02-02' = {
name: '${baseName}ai'
location: location
kind: 'web'
properties: {
Application_Type: 'web'
WorkspaceResourceId: logs.id
}
}

resource env 'Microsoft.App/managedEnvironments@2022-01-01-preview' = {
name: '${baseName}env'
location: location
properties: {
appLogsConfiguration: {
destination: 'log-analytics'
logAnalyticsConfiguration: {
customerId: logs.properties.customerId
sharedKey: logs.listKeys().primarySharedKey
}
}
}
}

output id string = env.id
output appInsightsInstrumentationKey string = appInsights.properties.InstrumentationKey
output appInsightsConnectionString string = appInsights.properties.ConnectionString


The container_apps.bicep template defines numerous parameters to provide a reusable template for creating container apps. This allows the module to be used in other CI/CD pipelines as well.

container_app.bicep without Daprโ€‹

param name string
param location string = resourceGroup().location
param containerAppEnvironmentId string
param repositoryImage string = 'mcr.microsoft.com/azuredocs/containerapps-helloworld:latest'
param envVars array = []
param registry string
param minReplicas int = 1
param maxReplicas int = 1
param port int = 80
param externalIngress bool = false
param allowInsecure bool = true
param transport string = 'http'
param registryUsername string
@secure()
param registryPassword string

resource containerApp 'Microsoft.App/containerApps@2022-01-01-preview' ={
name: name
location: location
properties:{
managedEnvironmentId: containerAppEnvironmentId
configuration: {
activeRevisionsMode: 'single'
secrets: [
{
name: 'container-registry-password'
value: registryPassword
}
]
registries: [
{
server: registry
username: registryUsername
passwordSecretRef: 'container-registry-password'
}
]
ingress: {
external: externalIngress
targetPort: port
transport: transport
allowInsecure: allowInsecure
}
}
template: {
containers: [
{
image: repositoryImage
name: name
env: envVars
}
]
scale: {
minReplicas: minReplicas
maxReplicas: maxReplicas
}
}
}
}

output fqdn string = containerApp.properties.configuration.ingress.fqdn

container_app.bicep with Daprโ€‹


param name string
param location string = resourceGroup().location
param containerAppEnvironmentId string
param repositoryImage string = 'mcr.microsoft.com/azuredocs/containerapps-helloworld:latest'
param envVars array = []
param registry string
param minReplicas int = 1
param maxReplicas int = 1
param port int = 80
param externalIngress bool = false
param allowInsecure bool = true
param transport string = 'http'
param appProtocol string = 'http'
param registryUsername string
@secure()
param registryPassword string

resource containerApp 'Microsoft.App/containerApps@2022-01-01-preview' ={
name: name
location: location
properties:{
managedEnvironmentId: containerAppEnvironmentId
configuration: {
dapr: {
enabled: true
appId: name
appPort: port
appProtocol: appProtocol
}
activeRevisionsMode: 'single'
secrets: [
{
name: 'container-registry-password'
value: registryPassword
}
]
registries: [
{
server: registry
username: registryUsername
passwordSecretRef: 'container-registry-password'
}
]
ingress: {
external: externalIngress
targetPort: port
transport: transport
allowInsecure: allowInsecure
}
}
template: {
containers: [
{
image: repositoryImage
name: name
env: envVars
}
]
scale: {
minReplicas: minReplicas
maxReplicas: maxReplicas
}
}
}
}

output fqdn string = containerApp.properties.configuration.ingress.fqdn


Understanding configuration differences with Daprโ€‹

The code for this specific sample application is largely the same whether or not Dapr is integrated. However, even with this simple app, there are a few benefits and configuration differences when using Dapr that are worth exploring.

In this scenario most of the changes are related to communication between the container apps. However, you can explore the full range of Dapr benefits by reading the Dapr integration with Azure Container Apps article in the conceptual documentation.

Without Daprโ€‹

Without Dapr the main.bicep template handles wiring up the front-end store app to communicate with the back-end apis by manually managing environment variables. The bicep template retrieves the fully qualified domains (fqdn) of the API apps as output parameters when they are created. Those configurations are then set as environment variables on the store container app.


# Retrieve environment variables from API container creation
var frontend_config = [
{
name: 'ProductsApi'
value: 'http://${products.outputs.fqdn}'
}
{
name: 'InventoryApi'
value: 'http://${inventory.outputs.fqdn}'
}
]

# create the store api container app, passing in config
module store 'container_app.bicep' = {
name: 'store'
params: {
name: 'store'
location: location
registryPassword: acr.listCredentials().passwords[0].value
registryUsername: acr.listCredentials().username
containerAppEnvironmentId: env.outputs.id
registry: acr.name
envVars: union(shared_config, frontend_config)
externalIngress: true
}
}

The environment variables are then retrieved inside of the program class and used to configure the base URLs of the corresponding HTTP clients.


builder.Services.AddHttpClient("Products", (httpClient) => httpClient.BaseAddress = new Uri(builder.Configuration.GetValue<string>("ProductsApi")));
builder.Services.AddHttpClient("Inventory", (httpClient) => httpClient.BaseAddress = new Uri(builder.Configuration.GetValue<string>("InventoryApi")));

With Daprโ€‹

Dapr can be enabled on a container app when it is created, as seen below. This configuration adds a Dapr sidecar to the app to streamline discovery and communication features between the different container apps in your environment.


# Create the container app with Dapr enabled
resource containerApp 'Microsoft.App/containerApps@2022-01-01-preview' ={
name: name
location: location
properties:{
managedEnvironmentId: containerAppEnvironmentId
configuration: {
dapr: {
enabled: true
appId: name
appPort: port
appProtocol: appProtocol
}
activeRevisionsMode: 'single'
secrets: [
{
name: 'container-registry-password'
value: registryPassword
}
]

# Rest of template omitted for brevity...
}
}

Some of these Dapr features can be surfaced through the program file. You can configure your HttpClient to leverage Dapr configurations when communicating with other apps in your environment.


// reconfigure code to make requests to Dapr sidecar
var baseURL = (Environment.GetEnvironmentVariable("BASE_URL") ?? "http://localhost") + ":" + (Environment.GetEnvironmentVariable("DAPR_HTTP_PORT") ?? "3500");
builder.Services.AddHttpClient("Products", (httpClient) =>
{
httpClient.BaseAddress = new Uri(baseURL);
httpClient.DefaultRequestHeaders.Add("dapr-app-id", "Products");
});

builder.Services.AddHttpClient("Inventory", (httpClient) =>
{
httpClient.BaseAddress = new Uri(baseURL);
httpClient.DefaultRequestHeaders.Add("dapr-app-id", "Inventory");
});


Clean up resourcesโ€‹

If you're not going to continue to use this application, you can delete the Azure Container Apps and all the associated services by removing the resource group.

Follow these steps in the Azure portal to remove the resources you created:

  1. In the Azure portal, navigate to the msdocswebappsapi resource group using the left navigation or search bar.
  2. Select the Delete resource group button at the top of the resource group Overview.
  3. Enter the resource group name msdocswebappsapi in the Are you sure you want to delete "msdocswebappsapi" confirmation dialog.
  4. Select Delete.
    The process to delete the resource group may take a few minutes to complete.