Add deploy code.

.github/workflows/build.yml

@@ -87,3 +87,27 @@ jobs:
   
         - name: Download artifact from build job
           uses: actions/download-artifact@v4
+
+  deploy:
+        permissions:
+          contents: none
+        runs-on: ubuntu-latest
+        needs: build
+        environment:
+          name: 'Development'
+          url: ${{ steps.deploy-to-webapp.outputs.webapp-url }}
+    
+        steps:
+          - name: Download artifact from build job
+            uses: actions/download-artifact@v3
+            with:
+              name: java-app
+    
+          - name: Deploy to Azure Web App
+            id: deploy-to-webapp
+            uses: azure/webapps-deploy@v2
+            with:
+              app-name: ${{ env.AZURE_WEBAPP_NAME }}
+              publish-profile: ${{ secrets.AZURE_WEBAPP_PUBLISH_PROFILE }}
+              package: '*.jar'
+