use GameEventStoreInPostgresql instead of InMemory

docker/docker-compose-dev.yaml

@@ -1,7 +1,7 @@
 name: event-demo-dev
 include:
   - path:
-    - parts/docker-compose-external.yaml
+    - parts/docker-compose-databases.yaml
     - parts/docker-compose-tools.yaml
     - parts/docker-compose-traefik.yaml
     - envs/docker-compose-dev.yaml

docker/docker-compose-prod.yaml

@@ -1,7 +1,7 @@
 name: event-demo-prod
 include:
   - path:
-    - parts/docker-compose-external.yaml
+    - parts/docker-compose-databases.yaml
     - parts/docker-compose-tools.yaml
     - parts/docker-compose-app.yaml
     - parts/docker-compose-traefik.yaml

docker/docker-compose-test.yaml

@@ -1,5 +1,5 @@
 name: event-demo-test
 include:
   - path:
-    - parts/docker-compose-external.yaml
+    - parts/docker-compose-databases.yaml
     - parts/docker-compose-port.yaml

docker/parts/docker-compose-databases.yaml

@@ -20,6 +20,7 @@ services:
 
   postgresql:
     image: postgres:17.4
+    command: postgres -c 'max_connections=500'
     environment:
       POSTGRES_PASSWORD_FILE: /run/secrets/postgresql_password
       POSTGRES_USER: event-demo

src/main/kotlin/eventDemo/adapter/infrastructureLayer/event/GameEventStoreInPostgresql.kt

@@ -0,0 +1,21 @@
+package eventDemo.adapter.infrastructureLayer.event
+
+import eventDemo.business.entity.GameId
+import eventDemo.business.event.GameEventStore
+import eventDemo.business.event.event.GameEvent
+import eventDemo.libs.event.EventStore
+import eventDemo.libs.event.EventStoreInPostgresql
+import kotlinx.serialization.json.Json
+import javax.sql.DataSource
+
+/**
+ * A stream to publish and read the played card event.
+ */
+class GameEventStoreInPostgresql(
+  dataSource: DataSource,
+) : GameEventStore,
+  EventStore<GameEvent, GameId> by EventStoreInPostgresql(
+    dataSource,
+    { Json.encodeToString(it) },
+    { Json.decodeFromString(it) },
+  )

src/main/kotlin/eventDemo/configuration/injection/ConfigureDIInfrastructure.kt

@@ -3,7 +3,7 @@ package eventDemo.configuration.injection
 import com.zaxxer.hikari.HikariConfig
 import com.zaxxer.hikari.HikariDataSource
 import eventDemo.adapter.infrastructureLayer.event.GameEventBusInMemory
-import eventDemo.adapter.infrastructureLayer.event.GameEventStoreInMemory
+import eventDemo.adapter.infrastructureLayer.event.GameEventStoreInPostgresql
 import eventDemo.adapter.infrastructureLayer.event.projection.GameListRepositoryInMemory
 import eventDemo.adapter.infrastructureLayer.event.projection.GameProjectionBusInMemory
 import eventDemo.adapter.infrastructureLayer.event.projection.GameStateRepositoryInRedis
@@ -31,13 +31,15 @@ fun Module.configureDIInfrastructure(config: Configuration) {
         jdbcUrl = config.postgresql.url
         username = config.postgresql.username
         password = config.postgresql.password
+        maximumPoolSize = 50
+        minimumIdle = 20
       }.let {
         HikariDataSource(it)
       }
   } bind DataSource::class
 
   singleOf(::GameEventBusInMemory) bind GameEventBus::class
-  singleOf(::GameEventStoreInMemory) bind GameEventStore::class
+  singleOf(::GameEventStoreInPostgresql) bind GameEventStore::class
   singleOf(::GameProjectionBusInMemory) bind GameProjectionBus::class
 
   single {

src/test/kotlin/eventDemo/libs/event/EventStreamTest.kt

@@ -15,7 +15,7 @@ import org.junit.jupiter.api.assertThrows
 import kotlin.test.assertNotNull
 
 @DelicateCoroutinesApi
-class EventStreamInMemoryTest :
+class EventStreamTest :
   FunSpec({
     fun EventStream<EventXTest, IdTest>.with3Events(block: EventStream<EventXTest, IdTest>.(id: IdTest) -> Unit) =
       also {