Managing Planned Maintenance for Azure Container Apps

Azure Container App is a fully managed Azure service that receives regular updates automatically. These updates are applied with minimal impact on the container applications. However, Azure Container App users can now define a maintenance window, allowing them to schedule service maintenance at a convenient time. This ensures application availability during important periods without downtime due to service maintenance.

There are two types of service updates, critical and non-critical updates. Critical updates are applied immediately when required, and users cannot set a maintenance window for them. However, maintenance windows can be set for non-critical updates. This blog explains how to set a maintenance window for Azure Container App using a GitHub Action pipeline.

Deploy Azure Container App with Azure CLI

This blog explains how to setup an Azure DevOps release pipeline to deploy a container app to the Azure Container Environment using an Azure CLI script.

Pre-requisites: 

• Azure DevOps deployment pipeline
•  Azure container app environment 
• Azure Container registry

Add an Azure CLI task to the Azure DevOps pipeline and add following script. The script installs a few required extensions and create a container app.

Container App Deployment with YAML Template

This blog explains how to deploy an Azure container app using a YAML template.

Pre-requisites: 

1. Azure container app environment
2. Azure container registry with docker image

Create a YAML file and add following content to it. 

Add values for Container App name, resource group name, Azure subscription id where resources going to be created, Container App Environment name and resource group, Azure Container Registry (ACR) name, ACR username, ACR password, image path and image tag.

Deploy Azure Container App Environment Using Terraform

Azure container app environment is fully managed environment to run containerized applications. This blog contains terraform script that can be used to deploy Azure Container App Environment with internal only ingress which means accessible only from VNet. You can find the complete code sample in GitHub here.

Use an Image from Azure Container Registry in a Different Subscription from an Azure Container App

This blog explains the limitation and a workaround to access Azure Container Registry from Container App Environment when the two resources are in two separate subscriptions.

Pre- requisites: Azure Container App and Azure Container Registry deployed to two separate subscriptions.

Go to Azure Container App and click on Containers. Then Click on Edit and Deploy.