Introduce dev-services profile to showcase Docker services features.

server/pom.xml

@@ -167,6 +167,16 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/ma
 			<optional>true</optional>
 		</dependency>
 
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-testcontainers</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.testcontainers</groupId>
+			<artifactId>postgresql</artifactId>
+		</dependency>
+
 	</dependencies>
 
 	<profiles>
@@ -244,6 +254,23 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/ma
 			</dependencies>
 		</profile>
 
+		<profile>
+
+			<id>dev-services</id>
+
+			<build>
+				<defaultGoal>spring-boot:test-run</defaultGoal>
+			</build>
+
+			<dependencies>
+				<dependency>
+					<groupId>org.postgresql</groupId>
+					<artifactId>postgresql</artifactId>
+				</dependency>
+			</dependencies>
+
+		</profile>
+
 		<!-- General AOT support -->
 
 		<profile>

server/src/test/java/org/springsource/restbucks/TestApplication.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springsource.restbucks;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
+import org.springframework.context.annotation.Bean;
+import org.testcontainers.containers.PostgreSQLContainer;
+
+/**
+ * @author Oliver Drotbohm
+ */
+@TestConfiguration
+public class TestApplication {
+
+	@Bean
+	@ServiceConnection
+	PostgreSQLContainer<?> postgres() {
+		return new PostgreSQLContainer<>("postgres:latest");
+	}
+
+	public static void main(String[] args) {
+		SpringApplication.from(Restbucks::main)
+				.with(TestApplication.class)
+				.run(args);
+	}
+}