se expone puerto database en docker-compose

docker/docker-compose.yml

@@ -32,6 +32,8 @@ services:
     volumes:
       - db:/var/lib/postgresql/data
       - ./01_create_tables.sql:/docker-entrypoint-initdb.d/01_create_tables.sql
+    ports:
+      - 5436:5432
     environment:
       POSTGRES_PASSWORD: password
       POSTGRES_DB: database