Set up CI with Azure Pipelines

[skip ci]

azure-pipelines.yml

@@ -1,17 +1,20 @@
 ---
-pool: 
-  name: default
+pool:
+  name: Default
 trigger:
   - main
-jobs:
-  - job: package
-    displayName: build the package
-    steps:
-      - task: Maven@3
-        inputs:
-          mavenPOMFile: 'pom.xml'
-          goals: 'package'
-          testResultsFiles: '**/surefire-reports/TEST-*.xml'
-          JDKVersion: '1.17'
-          javaHomeOption: 'Path'
-          jdkDirectory: /usr/lib/jvm/openjdk-17
+steps:
+  - script: sudo apt update
+  - script: sudo apt install openjdk-17-jdk -y
+  - script: sudo apt install maven -y
+  - script: sudo apt install git -y
+  - task: Maven@3
+    inputs:
+       mavenPOMFile: 'pom.xml'
+       publishJUnitResults: true
+       goals: 'package'
+       testResultsFiles: '**/surefire-reports/TEST-*.xml'
+       javaHomeOption: 'Path'
+       jdkDirectory: /usr/lib/jvm/java-17-openjdk-amd64
+       mavenVersionOption: 'path'
+       mavenDirectory: /home/ubuntu/spring-petclinic