setup tests for HelloWorldService

docker-compose.test.yml

@@ -0,0 +1,23 @@
+version: '3.8'
+
+services:
+  test:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      target: tester
+    image: jaxws-test:latest
+    container_name: jaxws-unit-tests
+    volumes:
+      # Mount source for live testing during development
+      - ./src:/app/src:ro
+      - ./pom.xml:/app/pom.xml:ro
+      # Mount Maven cache to speed up subsequent test runs
+      - maven-cache:/root/.m2
+    command: mvn test
+    environment:
+      - MAVEN_OPTS=-Xmx512m
+
+volumes:
+  maven-cache:
+    driver: local