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139 lines
7.4 KiB
Markdown
139 lines
7.4 KiB
Markdown
---
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lab:
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title: 'Lab 09b: Implement Azure Containers'
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module: 'Administer PaaS Compute Options'
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---
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# Lab 09b - Implement Azure Containers
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## Lab requirements
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This lab requires an Azure subscription. Your subscription type may affect the availability of features in this lab. You may change the region, but the steps are written using East US.
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## Estimated timing: 30 minutes
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## Lab scenario
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Your organization has a web application that runs on a virtual machine in your on-premises data center. The organization wants to move all applications to the cloud but doesn't want to have a large number of servers to manage. You decide to evaluate Azure Container Instances and Docker. Additionally, you want to deploy and test an Azure container app.
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## Interactive lab simulations
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There are interactive lab simulations that you might find useful for this topic. The simulation lets you to click through a similar scenario at your own pace. There are differences between the interactive simulation and this lab, but many of the core concepts are the same. An Azure subscription is not required.
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+ [Deploy Azure Container Instances](https://mslearn.cloudguides.com/en-us/guides/AZ-900%20Exam%20Guide%20-%20Azure%20Fundamentals%20Exercise%203). Create, configure, and deploy a Docker container with Azure Container Instances.
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+ [Implement Azure Container Instances](https://mslabs.cloudguides.com/guides/AZ-104%20Exam%20Guide%20-%20Microsoft%20Azure%20Administrator%20Exercise%2014). Deploy a Docker image using Azure Container Instances.
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## Architecture diagram
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## Tasks
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- Task 1: Deploy an Azure Container Instance using a Docker image
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- Task 2: Review the functionality of the Azure Container Instance
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- Task 3: Create an Azure Container App and environment
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- Task 4: Deploy and test the container app
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### Instructions
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## Exercise 1
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## Task 1: Deploy an Azure Container Instance using a Docker image
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In this task, you will create a new container instance for the web application. Docker is a platform that provides the ability to package and run applications in isolated environments called containers. Azure Container Instances provides the compute environment for a container image.
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1. Sign in to the [Azure portal](https://portal.azure.com).
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1. In the Azure portal, search for locate `Container instances` and then, on the **Container instances** blade, click **+ Create**.
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1. On the **Basics** tab of the **Create container instance** blade, specify the following settings (leave others with their default values):
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| Setting | Value |
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| ---- | ---- |
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| Subscription | the name of your Azure subscription |
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| Resource group | `az104-rg1` (If necessary, select **Create new**) |
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| Container name | `az104-c1` |
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| Region | **East US** (or a region available near you)|
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| Image Source | **Quickstart images** |
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| Image | **mcr.microsoft.com/azuredocs/aci-helloworld:latest (Linux)** |
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1. Click **Next: Networking >** and, on the **Networking** tab of the **Create container instance** blade, specify the following settings (leave others with their default values):
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| Setting | Value |
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| --- | --- |
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| DNS name label | any valid, globally unique DNS host name |
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>**Note**: Your container will be publicly reachable at dns-name-label.region.azurecontainer.io. If you receive a **DNS name label not available** error message, specify a different value.
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1. Click **Next: Advanced >**, review the settings on the **Advanced** tab of the **Create container instance** blade without making any changes, click **Review + Create**, ensure that the validation passed and click **Create**.
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>**Note**: Wait for the deployment to complete. This should take about 3 minutes.
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>**Note**: While you wait, you may be interested in viewing the [code behind the sample application](https://github.com/Azure-Samples/aci-helloworld). To view it, browse the \\app folder.
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## Task 2: Review the functionality of the Azure Container Instance
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In this task, you will review the deployment of the container instance. By default, the Azure Container Instance will be accessible over port 80. After the instance has been deployed, you can navigate to the container using the DNS name that you provided in the previous task.
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1. On the deployment blade, click the **Go to resource** link.
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1. On the **Overview** blade of the container instance, verify that **Status** is reported as **Running**.
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1. Copy the value of the container instance **FQDN**, open a new browser tab, and navigate to the corresponding URL.
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1. Verify that the **Welcome to Azure Container Instance** page is displayed.
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1. Close the new browser tab, back in the Azure portal, in the **Settings** section of the container instance blade, click **Containers**, and then click **Logs**.
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1. Verify that you see the log entries representing the HTTP GET request generated by displaying the application in the browser.
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## Task 3: Create a container app and environment
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Azure Container Apps take the concept of a managed Kubernetes cluster a step further and manages the cluster environment as well as provides other managed services on top of the cluster. Unlike an Azure Kubernetes cluster, where you must still manage the cluster, an Azure Container Apps instance removes some of the complexity to setting up a Kubernetes cluster.
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1. From the Azure portal, search for and select `Container Apps`.
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1. From **Container Apps**, select **Create**.
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1. Use the following information to fill out the details on the **Basics** tab, then select **Next: Container >**.
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| Setting | Action |
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|---|---|
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| Subscription | Select your Azure subscription |
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| Resource group | `az104-rg1` |
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| Container app name | `my-app` |
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| Region | **East US** (Or a region available near you) |
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| Container Apps Environment | Leave default |
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1. Ensure that **Use quickstart image** is enabled and that the quickstart image is set to **Simple hello world container**.
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1. Select the **Review and create** button at the bottom of the page.
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>**Note**: If there are errors, any tab containing errors is marked with a red dot. Navigate to the appropriate tab. Fields containing an error will be highlighted in red. Once all errors are fixed, select **Review and create** again.
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1. Select **Create**.
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A page with the message *Deployment is in progress* is displayed. Once the deployment is successfully completed, you'll see the message: *Your deployment is complete*.
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## Task 4: Test and verify deployment of the container app
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By default, the Azure container app that you create will accept traffic on port 80 using the sample Hello World application. Azure Container Apps will provide a DNS name for the application. Copy and navigate to this URL to ensure that the application is up and running.
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1. Select **Go to resource** to view your new container app.
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1. Select the link next to *Application URL* to view your application.
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1. Verify you receive the **Your Azure Container Apps app is live** message.
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## Review
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Congratulations! You have successfully deployed an Azure Container Instance that uses a Docker image to your subscription, then verified that the container was running and accessible over the internet. You also deployed an Azure Container App and verified that the container was running and accessible.
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