Add examples main repository (#4374)

* Add examples to the main repository

* Build and run the examples as part of the integration tests

* Move docker compose and openshift templates to examples

* Switch modules to java sdk

* Add two missing examples

* Make resolver close vertx automatically and fix some remaining examples

* Fix examples build

* Adapt examples

* Use v3 api in maven examples

Author: carlesarnal

.github/workflows/integration-tests.yaml

@@ -338,3 +338,26 @@ jobs:
         with:
           name: tests-logs-legacy-v2
           path: artifacts
+
+  build-examples:
+    name: Build and Run Application examples
+    runs-on: ubuntu-20.04
+    needs: prepare-integration-tests
+    steps:
+      - name: Checkout Code with Ref '${{ github.ref }}'
+        uses: actions/checkout@v2
+        with:
+          path: apicurio-registry
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: 'maven'
+
+      - name: Run Apicurio Registry application
+        run: docker run -d -p 8080:8080 -it ttl.sh/${{ github.sha }}/apicurio/apicurio-registry:1d
+
+      - name: Build Apicurio Registry with Examples
+        run: cd apicurio-registry && mvn clean install -DskipTests -Pexamples