diff --git a/postgres/postgres-stack.yaml b/postgres/postgres-stack.yaml
index 249a15a..6ab4866 100644
--- a/postgres/postgres-stack.yaml
+++ b/postgres/postgres-stack.yaml
@@ -1,26 +1,27 @@
 services:
-  db:
-    image: postgres:16-alpine
+  postgres:
+    image: postgres:16
     environment:
       POSTGRES_USER: "automacao"
-      POSTGRES_PASSWORD: "/run/secrets/postgres16"
+      POSTGRES_PASSWORD_FILE: "/run/secrets/db_user_automacao"
       PGDATA: /var/lib/postgresql/data/pgdata
       TZ: America/Sao_Paulo
     secrets:
-      - postgres16
+      #- postgres16
+      - db_user_automacao
     ports:
-      - "5432:5432"
+      - "25721:5432"
     networks:
       - postgres_network
     volumes:
-      - postgres16_data:/var/lib/postgresql/data
+      - postgres_data:/var/lib/postgresql/data
     deploy:
       mode: replicated
       replicas: 1
       resources:
         limits:
           cpus: "1"
-          memory: "1024M"
+          memory: "2048M"
       update_config:
         parallelism: 1
         delay: 10s
@@ -34,7 +35,7 @@ services:
       retries: 5
 
 volumes:
-  postgres16_data:
+  postgres_data:
     external: true
 
 networks:
@@ -46,4 +47,5 @@ networks:
 secrets:
   postgres16:
     external: true
-
+  db_user_automacao:
+    external: true