refactor: add env variables

apps/dokploy/templates/langflow/docker-compose.yml

@@ -6,20 +6,20 @@ services:
     ports:
       - 7860
     depends_on:
-      - postgres
+      - postgres-langflow
     environment:
-      - LANGFLOW_DATABASE_URL=postgresql://${DB_USERNAME}:${DB_PASSWORD}@postgres:5432/langflow
+      - LANGFLOW_DATABASE_URL=postgresql://${DB_USERNAME}:${DB_PASSWORD}@postgres-langflow:5432/langflow
       # This variable defines where the logs, file storage, monitor data and secret keys are stored.
     volumes:
       - langflow-data:/app/langflow
     networks:
       - dokploy-network
 
-  postgres:
+  postgres-langflow:
     image: postgres:16
     environment:
-      POSTGRES_USER: langflow
-      POSTGRES_PASSWORD: langflow
+      POSTGRES_USER: ${DB_USERNAME}
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
       POSTGRES_DB: langflow
     ports:
       - 5432