◆ Use Azure Cloud Shell

-Start Cloud Shell. (On Portal -1.amazonaws.com/0/197404/8ddf185d-b69c-1052-ab81-4a395ab38056.png) so open it)

◆ Create a Java app

Run the following Maven command at the Cloud Shell prompt to create a new app named helloworld

• If the upper left of Cloud Shell (black screen) is other than "Bash", change it to "Bash"

bash

//Check that the helloworld directory exists
//(If it exists, an error will occur with mvn archetype)
ls -a

//Create a new app
mvn archetype:generate -DgroupId=example.demo -DartifactId=helloworld -DarchetypeArtifactId=maven-archetype-webapp

//Check if helloworld is created
ls -a

◆ Configure Maven plugin

Open the project pom.xml file in the helloworld directory.

bash

// 'helloworld'Transition to directory
cd helloworld

// pom.Open xml file
code pom.xml

Next, add the following plugin definition inside the element of the pom.xml file.

pom.xml

<plugins>
    <!--*************************************************-->
    <!-- Deploy to Tomcat in App Service Linux           -->
    <!--*************************************************-->
    <plugin>
        <groupId>com.microsoft.azure</groupId>
        <artifactId>azure-webapp-maven-plugin</artifactId>
        <version>1.7.0</version>       
    </plugin>
</plugins>

Next, configure the deployment and at Command Prompt Execute the maven command mvn azure-webapp: config and Confirm (Y / N) (Confirm (Y / N)) Until the prompt is displayed Press Enter to use the default configuration and press y to complete the configuration.

bash

mvn azure-webapp:config

//The following is displayed
[INFO] Scanning for projects...
[INFO]
[INFO] ----------------------< example.demo:helloworld >-----------------------
[INFO] Building helloworld Maven Webapp 1.0-SNAPSHOT
[INFO] --------------------------------[ war ]---------------------------------
[INFO]
[INFO] --- azure-webapp-maven-plugin:1.7.0:config (default-cli) @ helloworld ---
[WARNING] The plugin may not work if you change the os of an existing webapp.
Define value for OS(Default: Linux):
1. linux [*]
2. windows
3. docker
Enter index to use:
Define value for javaVersion(Default: jre8):
1. jre8 [*]
2. java11
Enter index to use:
Define value for runtimeStack(Default: TOMCAT 8.5):
1. TOMCAT 9.0
2. jre8
3. TOMCAT 8.5 [*]
4. WILDFLY 14
Enter index to use:
Please confirm webapp properties
AppName : helloworld-1558400876966
ResourceGroup : helloworld-1558400876966-rg
Region : westeurope
PricingTier : Premium_P1V2
OS : Linux
RuntimeStack : TOMCAT 8.5-jre8
Deploy to slot : false
Confirm (Y/N)? : Y

Go to pom.xml again and verify that the plugin configuration has been updated. If desired, you can modify other App Service configurations directly in the pom file. Here are some common ones:

• Check the plan and app name that was set first (may have changed) <pricing Tier> <appName> <resourceGroup> Please check! !! !!

bash

code pom.xml

◆ Deploy application

Deploy your Java app to Azure using the following command:

bash

mvn package azure-webapp:deploy

After the deployment is complete, browse to the deployed application using the following URL in your web browser:

If "Hello World!" Is displayed on "https: // .azurewebsites.net", it's OK!

**! !! !! Completed! !! !! ** **

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Quote

[Official] Creating Java Web Apps on Linux-Azure App Service | Microsoft Docs