diff --git a/docker-compose.yml b/docker-compose.yml
index d0b0f89..cdd763b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -52,7 +52,7 @@ services:
     ports:
       - "5432:5432"
     volumes:
-      - pgdata:/var/lib/postgresql/data
+      - pgdata:/var/lib/postgresql
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
       interval: 5s
@@ -72,7 +72,7 @@ services:
       KAFKA_NODE_ID: 1
       KAFKA_PROCESS_ROLES: broker,controller
       KAFKA_CONTROLLER_QUORUM_VOTERS: 1@kafka:9093
-      KAFKA_LISTENERS: INTERNAL://0.0.0.0:29092,EXTERNAL://0.0.0.0:9092,CONTROLLER://0.0.0.0:9093
+      KAFKA_LISTENERS: INTERNAL://0.0.0.0:29092,EXTERNAL://0.0.0.0:9092,CONTROLLER://kafka:9093
       KAFKA_ADVERTISED_LISTENERS: INTERNAL://kafka:29092,EXTERNAL://localhost:9092
       KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: CONTROLLER:PLAINTEXT,INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT
       KAFKA_INTER_BROKER_LISTENER_NAME: INTERNAL
diff --git a/env/.env.example b/env/.env.example
deleted file mode 100644
index 7c6c213..0000000
--- a/env/.env.example
+++ /dev/null
@@ -1,21 +0,0 @@
-# --- APP CONFIG ---
-APP_PORT=8080
-SPRING_PROFILES_ACTIVE=local
-
-# --- POSTGRES ---
-DB_URL=jdbc:postgresql://localhost:5432/payment_db
-DB_USER=admin
-DB_PASSWORD=admin_pass
-
-# --- REDIS (Opcional/Estruturado) ---
-REDIS_HOST=localhost
-REDIS_PORT=6379
-
-# --- RABBITMQ (Opcional/Estruturado) ---
-RABBIT_HOST=localhost
-RABBIT_PORT=5672
-RABBIT_USER=guest
-RABBIT_PASS=guest
-
-# --- MONGO (Opcional/Estruturado) ---
-MONGO_URI=mongodb://localhost:27017/payment_logs
diff --git a/pom.xml b/pom.xml
index a954345..cf7d602 100644
--- a/pom.xml
+++ b/pom.xml
@@ -149,6 +149,12 @@
 						</goals>
 					</execution>
 				</executions>
+				<configuration>
+					<systemPropertyVariables>
+						<!-- Docker Desktop (WSL2) requires API >= 1.40; docker-java defaults to 1.24 -->
+						<api.version>1.44</api.version>
+					</systemPropertyVariables>
+				</configuration>
 			</plugin>
 
 			<!-- ── Code formatter — run: ./mvnw spotless:apply ─────────────── -->