chore: add postgres to the development docker compose

docker-compose.yaml

@@ -13,6 +13,17 @@ services:
       - valkey-data:/data
     ports:
       - "6379:6379"
+  postgres:
+    image: postgres:latest
+    ports:
+      - "${POSTGRES_PORT}:5432"
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_USER=${POSTGRES_USER}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+      - POSTGRES_DB=${POSTGRES_DB}
 
 volumes:
-  valkey-data:
+  valkey-data:
+  postgres-data: