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Step 7: Infrastructure as Code

Automating resource provisioning ensures consistency across environments. This step covers Bicep templates and CI/CD integration.

1. Bicep Template for ACS

Create a file named main.bicep to define your Communication Services resource.

param location string = 'global'
param resourceName string = 'my-acs-resource'

resource acsResource 'Microsoft.Communication/CommunicationServices@2023-03-31' = {
  name: resourceName
  location: location
  properties: {
    dataLocation: 'United States'
  }
}

output acsId string = acsResource.id

Deploy using Azure CLI: 

az deployment group create --resource-group MyRG --template-file main.bicep

2. GitHub Actions Workflow

Automate your Maven build and deployment using GitHub Actions. Create .github/workflows/main.yml.

name: Java CI/CD

on:
  push:
    branches: [ main ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3

    - name: Set up JDK 17
      uses: actions/setup-java@v3
      with:
        java-version: '17'
        distribution: 'temurin'
        cache: maven

    - name: Build with Maven
      run: mvn -B package --file pom.xml

    - name: Azure Login
      uses: azure/login@v1
      with:
        creds: ${{ secrets.AZURE_CREDENTIALS }}

    - name: Deploy Bicep
      run: |
        az deployment group create \
          --resource-group ${{ secrets.AZURE_RG }} \
          --template-file ./main.bicep

3. Provisioning Phone Numbers via CLI

You can automate phone number acquisition (where supported) using the Azure CLI.

# Search for available numbers
az communication phonenumber search-available \
    --area-code "425" \
    --country-code "US" \
    --phone-plan-ids "plan-id" \
    --quantity 1

# Purchase a number
az communication phonenumber purchase \
    --search-id "search-id-from-previous-step"

4. Maven Plugin for Azure App Service

If you are deploying a web application, use the Maven plugin for Azure App Service.

<plugin>
    <groupId>com.microsoft.azure</groupId>
    <artifactId>azure-webapp-maven-plugin</artifactId>
    <version>2.12.0</version>
    <configuration>
        <schemaVersion>v2</schemaVersion>
        <resourceGroup>my-resource-group</resourceGroup>
        <appName>my-acs-java-app</appName>
        <region>westus</region>
        <runtime>
            <os>linux</os>
            <javaVersion>Java 17</javaVersion>
            <webContainer>Java SE</webContainer>
        </runtime>
    </configuration>
</plugin>

Summary

Congratulations! You have built a complete communication application with Java, from local setup to automated deployment.

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