diff --git a/docker-compose.server.yml b/docker-compose.server.yml
index d3f5676..95e323b 100644
--- a/docker-compose.server.yml
+++ b/docker-compose.server.yml
@@ -23,6 +23,10 @@ services:
       PORT: 3000
     networks:
       - proxy
+      - internal
+    depends_on:
+      postgres:
+        condition: service_healthy
     restart: unless-stopped
     labels:
       - traefik.enable=true
@@ -32,6 +36,29 @@ services:
       - traefik.http.routers.api-finance.tls.certresolver=le
       - traefik.http.services.api-finance.loadbalancer.server.port=3000
 
+  postgres:
+    image: postgres:14-alpine
+    container_name: api_finance_postgres
+    environment:
+      POSTGRES_USER: finance_user
+      POSTGRES_PASSWORD: SecurePassword123
+      POSTGRES_DB: finance_app
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    networks:
+      - internal
+    healthcheck:
+      test: ['CMD-SHELL', 'pg_isready -U finance_user -d finance_app']
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    restart: unless-stopped
+
+volumes:
+  postgres_data:
+
 networks:
   proxy:
     external: true
+  internal:
+    driver: bridge