Azure App Service Web App for Containers Configuration
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Questions and Answers

What is the purpose of the WORKDIR command in a Dockerfile?

  • To set the working directory in the container (correct)
  • To run a command when the container starts
  • To copy files from the current directory into the container
  • To specify the entry point for the container

    • What is the purpose of the RUN command in a Dockerfile?

  • To run a command when the container starts
  • To set the environment variables in the container
  • To copy files from the current directory into the container
  • To execute a command in the shell and commit the result (correct)

    • What is the purpose of the CMD command in a Dockerfile?

  • To copy files from the current directory into the container
  • To run a command when the container is built
  • To set the default command to run when the container starts (correct)
  • To specify the entry point for the container

    • What is the purpose of the FROM command in a Dockerfile?

    <p>To specify the base image for the container</p> Signup and view all the answers

    What is the purpose of the COPY command in a Dockerfile?

    <p>To copy files from the current directory into the container</p> Signup and view all the answers

    What type of plan should you use for an Azure Function App that processes images as quickly as possible after they are uploaded to an Azure Blob container?

    <p>App Service plan</p> Signup and view all the answers

    What type of trigger should you use for an Azure Function App that processes images as quickly as possible after they are uploaded to an Azure Blob container?

    <p>Azure Blob Storage trigger</p> Signup and view all the answers

    What is the benefit of using an Azure Blob Storage trigger for an Azure Function App?

    <p>It reduces latency</p> Signup and view all the answers

    What is the primary benefit of using Azure Web Apps for hosting native Linux applications?

    <p>Flexibility to run in the cloud</p> Signup and view all the answers

    What is the first step in creating a Web App for Containers using Azure CLI?

    <p>Create a resource group</p> Signup and view all the answers

    What is the command to create an App Service plan in the resource group using Azure CLI?

    <p>az appservice plan create</p> Signup and view all the answers

    What is the purpose of the az webapp create command in Azure CLI?

    <p>To create a web app</p> Signup and view all the answers

    What is the requirement for the app name in the az webapp create command?

    <p>It must be a unique name</p> Signup and view all the answers

    What is the benefit of using Docker containerization for the ASP.NET Core web app?

    <p>Easier migration to Azure</p> Signup and view all the answers

    What is the step after creating a resource group in the Azure CLI commands for hosting a Docker image?

    <p>Create a service plan</p> Signup and view all the answers

    What is the final step in provisioning an App Service Web App for the ASP.NET Core web app?

    <p>Map the custom domain to the App Service web app</p> Signup and view all the answers

    What is the purpose of the az webapp config container set command in the Azure CLI?

    <p>To configure a Docker account ID and password for a private image</p> Signup and view all the answers

    What is the correct order of the Azure CLI commands to develop the solution?

    <p>az webapp create, az webapp config container set, az webapp config hostname add</p> Signup and view all the answers

    What is the purpose of the az webapp create command in the Azure CLI?

    <p>To create a web app in the App Service plan</p> Signup and view all the answers

    What is the benefit of configuring a Docker account ID and password in the Azure web app?

    <p>To use a private image from Docker Hub</p> Signup and view all the answers

    What is the purpose of the appName variable in the Azure CLI commands?

    <p>To used when creating the web app and adding a hostname</p> Signup and view all the answers

    What is the result of using the az webapp config container set command without specifying an image on Docker Hub?

    <p>The web app will use a public image from Docker Hub</p> Signup and view all the answers

    What is the benefit of using Docker containerization in the Azure web app?

    <p>To provide a consistent and portable environment for the application</p> Signup and view all the answers

    What is the requirement for the Azure Functions application in the scenario?

    <p>All of the above</p> Signup and view all the answers

    Study Notes

    Azure App Service Web App for Containers

    • You can host native Linux applications in the cloud by using Azure Web Apps.
    • To create a Web App for Containers, you need to run Azure CLI commands that create a resource group, then a service plan, and finally the web app itself.
    • The three Azure CLI commands to create the solution are:
      • az group create
      • az appservice plan create
      • az webapp create

    Provisioning an App Service Web App

    • To provision an App Service Web App, you need to create a resource group, an App Service plan, and a web app.
    • The web app can be used to host a Docker image and map a custom domain to the App Service web app.

    Creating a Dockerfile

    • A Dockerfile document is required to create a Docker image that runs an ASP.NET Core application.
    • The Dockerfile document should be created in the same folder where the application files are stored.
    • The five commands to create the Dockerfile are:
      • CMD [..]
      • FROM microsoft/aspnetcore-build:latest
      • WORKDIR /apps/ContosoApp
      • COPY ./.
      • RUN powershell ./setupScript.ps1

    Configuring an Azure Function App

    • To configure an Azure Function App, you need to choose a plan that minimizes latency.
    • A Consumption plan with an Azure Blob Storage trigger is recommended to process images quickly after they are uploaded.
    • The Function App should be configured to use an Azure Blob Storage trigger to minimize latency.

    Azure CLI Commands

    • The Azure CLI commands to create a web app in an App Service plan are:
      • az webapp create
      • az webapp config container set
      • az webapp config hostname add
    • The commands should be used in the correct order to develop the solution.

    Serverless Java Application on Azure

    • To develop a serverless Java application on Azure, you need to create a new Azure Key Vault to work with secrets from a new Azure Functions application.
    • The application must meet the requirements of referencing the Azure Key Vault without requiring any changes to the Java code, dynamically adding and removing instances of the Azure Functions host, ensuring that instances are perpetually warm, and connecting to a VNet.

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    Related Documents

    AZ-204 Exam.pdf

    Description

    Learn how to configure Azure App Service Web App for Containers using Docker and Go, including creating a resource group and initializing the application.

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