fix: set N8N_SECURE_COOKIE to false in docker-compose files for n8n service

docker-compose.local.yml

@@ -41,6 +41,8 @@ services:
       - ./frontend/nginx-admin.conf:/etc/nginx/conf.d/default.conf:ro
 
   n8n:
+    environment:
+      N8N_SECURE_COOKIE: "false"
     volumes:
       - ./data/n8n:/home/node/.n8n
       - ./n8n/workflows:/opt/mc-cars/workflows:ro

docker-compose.yml

@@ -390,6 +390,7 @@ services:
       WEBHOOK_URL: http://localhost:55590/
       N8N_ENCRYPTION_KEY: ${N8N_ENCRYPTION_KEY}
       N8N_ENFORCE_SETTINGS_FILE_PERMISSIONS: "false"
+      N8N_SECURE_COOKIE: "false"
 
       # Database (n8n stores its own data in the same Postgres)
       DB_TYPE: postgresdb