add kafka and postgres test container

src/main/kotlin/ltd/hlaeja/test/container/KafkaPostgresTestContainer.kt

@@ -0,0 +1,18 @@
+package ltd.hlaeja.test.container
+
+import ltd.hlaeja.test.container.extension.KafkaPostgresTestExtension
+import ltd.hlaeja.test.container.postgres.PostgresTestListener
+import org.junit.jupiter.api.extension.ExtendWith
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.context.TestExecutionListeners
+import org.springframework.test.context.TestExecutionListeners.MergeMode
+
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+@ExtendWith(KafkaPostgresTestExtension::class)
+@ContextConfiguration(initializers = [KafkaPostgresTestExtension::class])
+@TestExecutionListeners(
+    listeners = [PostgresTestListener::class],
+    mergeMode = MergeMode.MERGE_WITH_DEFAULTS,
+)
+annotation class KafkaPostgresTestContainer

src/main/kotlin/ltd/hlaeja/test/container/extension/KafkaPostgresTestExtension.kt

@@ -0,0 +1,27 @@
+package ltd.hlaeja.test.container.extension
+
+import ltd.hlaeja.test.container.kafka.TestContainerKafka
+import ltd.hlaeja.test.container.postgres.TestContainerPostgres
+import org.junit.jupiter.api.extension.BeforeAllCallback
+import org.junit.jupiter.api.extension.ExtensionContext
+import org.springframework.boot.test.util.TestPropertyValues
+import org.springframework.context.ApplicationContextInitializer
+import org.springframework.context.ConfigurableApplicationContext
+
+class KafkaPostgresTestExtension : BeforeAllCallback, ApplicationContextInitializer<ConfigurableApplicationContext> {
+
+    override fun initialize(applicationContext: ConfigurableApplicationContext) {
+        TestPropertyValues
+            .of(TestContainerPostgres.props() + TestContainerKafka.props())
+            .applyTo(applicationContext.environment)
+    }
+
+    override fun beforeAll(context: ExtensionContext) {
+        if (!TestContainerPostgres.postgres.isRunning) {
+            TestContainerPostgres.postgres.start()
+        }
+        if (!TestContainerKafka.kafka.isRunning) {
+            TestContainerKafka.kafka.start()
+        }
+    }
+}