Automate Java container deployments with Azure Pipelines

java-webapp-az-pipeline.yaml

az configure --defaults location=westus2
# resourceSuffix=$RANDOM

# webName="java-container-cicd-${resourceSuffix}"
# registryName="javacontainercicd${resourceSuffix}"
# dbServerName="java-container-cicd-${resourceSuffix}"
# rgName='java-containers-cicd-rg'
# planName='java-container-cicd-asp'

# az group create --name $rgName
# az mysql server create --name $dbServerName --resource-group $rgName --admin-user sysadmin --admin-password P@ssw0rd --sku-name GP_Gen5_2 --version 5.7

# az mysql server firewall-rule create --name AllowAzureServices --resource-group $rgName --server $dbServerName --start-ip-address 0.0.0.0 --end-ip-address 0.0.0.0

# az acr create --name $registryName --resource-group $rgName --sku Standard --admin-enabled true

# az appservice plan create --name $planName --resource-group $rgName --sku B1 --is-linux

# az webapp create --name $webName --resource-group $rgName --plan $planName --deployment-container-image-name $registryName.azurecr.io/web:latest

# az webapp list --resource-group $rgName --query "[].{hostName: defaultHostName, state: state}" --output table

# az acr list --resource-group $rgName --query "[].{loginServer: loginServer}" --output table

# # Cleanup
# az group delete --name java-containers-cicd-rg --no-wait -y --verbose
# az group list --output table

## Actual pipeline starts here###
trigger:
- master

resources:
- repo: self

variables:
  dockerfilePath: '$(Build.SourcesDirectory)/src/Dockerfile'
  webRepository: 'web'
  tag: '$(Build.BuildId)'
  vmImageName: 'ubuntu-latest'

stages:
- stage: Build
  displayName: Build and publish Java container
  jobs:  
  - job: Build
    displayName: Build
    pool:
      vmImage: $(vmImageName)
    variables:
    - group: Release
    steps:
    - task: Maven@3
      displayName: 'Maven pom.xml'
      inputs:
        options: '-DskipITs --settings ./maven/settings.xml'
        publishJUnitResults: false
    - task: CopyFiles@2
      displayName: Copy WAR file to staging directory
      inputs:
        sourceFolder: '$(build.sourcesdirectory)'
        contents: |
          target/myshuttledev*.war
          *.sql
        targetFolder: '$(build.artifactstagingdirectory)'
    - task: Docker@2
      displayName: Build and push Java container image to registry
      inputs:
        command: buildAndPush
        buildContext: '$(build.artifactstagingdirectory)'
        repository: $(webRepository)
        dockerfile: $(dockerfilePath)
        containerRegistry: 'Container Registry Connection'
        tags: |
          $(tag)  
    - task: AzureMysqlDeployment@1
      displayName: Run MySQL initialization script
      inputs:
        azureSubscription: 'Azure Connection'
        serverName: '$(MySqlServer).mysql.database.azure.com'
        databaseName: 'alm'
        sqlUsername: $(MySqlUserName)@$(MySqlServer)
        sqlPassword: $(MySqlPassword)
        sqlFile: '$(Build.SourcesDirectory)/CreateMYSQLDB.sql'

## Deployment stage
- stage: Deploy
  displayName: 'Deploy Web App'
  dependsOn: Build
  condition: succeeded()
  jobs:
  - deployment: DeploymentJob
    pool:
      vmImage: $(vmImageName)
    environment: java-container
    variables:
    - group: Release
    strategy:
      runOnce:
        deploy:
          steps:
          - task: AzureWebAppContainer@1
            displayName: Update the web app with the new container
            inputs:
              appName: $(WebAppName)
              azureSubscription: 'Azure Connection'
              imageName: $(RegistryName)/$(webRepository):$(build.buildId)
          - task: AzureAppServiceSettings@1
            displayName: Update web app connection string
            inputs:
              azureSubscription: 'Azure Connection'
              appName: $(WebAppName)
              resourceGroupName: 'java-containers-cicd-rg'
              connectionStrings: |
                [
                  {
                    "name": "MyShuttleDb",
                    "value": "jdbc:mysql://$(MySqlServer).mysql.database.azure.com:3306/alm?useSSL=true&requireSSL=false&autoReconnect=true&user=$(MySqlUserName)@$(MySqlServer)&password=$(MySqlPassword)",
                    "type": "MySql",
                    "slotSetting": false
                  }
                ]