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Setting up the application to run in Azure Container Apps

Scripts

You can use the local bash scripts provided, including ./src/deploy-containers.sh to push the containers to your private Azure Container Registry, ./src/aca-setup.sh to set up the Azure Container App, and ./src/cleanup.sh to clean up resources.

Make sure the files are executable, by navigating to src with cd src and changing permissions with chmod 755 deploy-containers.sh aca-setup.sh cleanup.sh.

Open ./src/aca.example.env, replace the placeholder variables in with your own values, and save the file as ./src/aca.env, and update the containerName value in src/components.yaml from concontainer to the container name you chose.

Publishing the container images to your private Azure Container Registry

In an ideal world, you'd be able to publish the container images to your private Azure Container Registry as part of your CI/CD pipeline.

Here, we'll manually push the docker images.

  1. Log in to Azure with az login.
  2. Set the parameters for the registry.
AZURE_REGISTRY_NAME=<REGISTRY_NAME>
  1. Log in to your registry with az acr login --name $AZURE_REGISTRY_NAME.
  2. Navigate to src/frontend/.
  3. Run docker build -t thinkdays-connections/frontend:latest .,
  4. Tag the image with docker tag thinkdays-connections/frontend:latest $AZURE_REGISTRY_NAME.azurecr.io/thinkdays-connections/frontend:latest.
  5. Push the images to your registry with docker push $AZURE_REGISTRY_NAME.azurecr.io/thinkdays-connections/frontend:latest.

Deploying the application to Azure Container Apps

  1. Log in to Azure with az login.
  2. Install the Azure Container Apps extension for the CLI with az extension add --source https://workerappscliextension.blob.core.windows.net/azure-cli-extension/containerapp-0.2.2-py2.py3-none-any.whl.
  3. Register the Microsoft.Web namespace with az provider register --namespace Microsoft.Web.
  4. Set required environmental variables.
RESOURCE_GROUP="OpenTech_ThinkDays_Connections"
LOCATION="westeurope"
LOG_ANALYTICS_WORKSPACE="ot-thinkdays-ws"
CONTAINERAPPS_ENVIRONMENT="ot-thinkdays-env"
  1. Create a resource group with az group create --name $RESOURCE_GROUP --location $LOCATION.
  2. Create a log analytics workspace with az monitor log-analytics workspace create --resource-group $RESOURCE_GROUP --workspace-name $LOG_ANALYTICS_WORKSPACE.
  3. Retrieve the log analytics client ID and client secret.
LOG_ANALYTICS_WORKSPACE_CLIENT_ID=`az monitor log-analytics workspace show --query customerId -g $RESOURCE_GROUP -n $LOG_ANALYTICS_WORKSPACE -o tsv | tr -d '[:space:]'`
LOG_ANALYTICS_WORKSPACE_CLIENT_SECRET=`az monitor log-analytics workspace get-shared-keys --query primarySharedKey -g $RESOURCE_GROUP -n $LOG_ANALYTICS_WORKSPACE -o tsv | tr -d '[:space:]'`
  1. Create a container app environment.
az containerapp env create \
  --name $CONTAINERAPPS_ENVIRONMENT \
  --resource-group $RESOURCE_GROUP \
  --logs-workspace-id $LOG_ANALYTICS_WORKSPACE_CLIENT_ID \
  --logs-workspace-key $LOG_ANALYTICS_WORKSPACE_CLIENT_SECRET \
  --location "$LOCATION"
  1. Set variables for storage account.
STORAGE_ACCOUNT="otthinkdays"
STORAGE_ACCOUNT_CONTAINER="concontainer"
  1. Create a storage account.
az storage account create \
  --name $STORAGE_ACCOUNT \
  --resource-group $RESOURCE_GROUP \
  --location "$LOCATION" \
  --sku Standard_RAGRS \
  --kind StorageV2
  1. Get the storage account key.
STORAGE_ACCOUNT_KEY=`az storage account keys list --resource-group $RESOURCE_GROUP --account-name $STORAGE_ACCOUNT --query '[0].value' --out tsv`
  1. Update the containerName value in src/components.yaml from concontainer to the container name you chose.
  2. Navigate to the src directory.
  3. Set the parameters for the container app image, swapping in your own parameters.
REGISTRY_LOGIN_SERVER=$AZURE_REGISTRY_NAME.azurecr.io
FRONTEND_CONTAINER_IMAGE_NAME="$REGISTRY_LOGIN_SERVER/thinkdays-connections/frontend:latest"
REGISTRY_USERNAME=<REGISTRY_USERNAME>
REGISTRY_PASSWORD=<REGISTRY_PASSWORD>
  1. Deploy the container app.
az containerapp create \
  --name frontend \
  --resource-group $RESOURCE_GROUP \
  --image $FRONTEND_CONTAINER_IMAGE_NAME \
  --environment $CONTAINERAPPS_ENVIRONMENT \
  --registry-login-server $REGISTRY_LOGIN_SERVER \
  --registry-username $REGISTRY_USERNAME \
  --registry-password $REGISTRY_PASSWORD \
  --secrets "storage-account-name=${STORAGE_ACCOUNT},storage-account-key=${STORAGE_ACCOUNT_KEY}" \
  --target-port 5000 \
  --ingress 'external' \
  --min-replicas 1 \
  --max-replicas 1 \
  --enable-dapr \
  --dapr-app-port 3500 \
  --dapr-app-id frontend \
  --dapr-components ./components.yaml

Clean up the resources

  1. Delete the resource group with az group delete --name $RESOURCE_GROUP
  2. Optionally, delete the container with az acr repository delete --name $AZURE_REGISTRY_NAME --image thinkdays-connections/frontend:latest