Zero downtime configuration

compose.yml

@@ -25,9 +25,16 @@ services:
     networks:
       - proxy
       - internal
+    healthcheck:
+      test: ["CMD", "curl", "-f" "http://localhost:3000"]
+      interval: 15s
+      timeout: 10s
+      retries: 10
+      start_period: 30s
     deploy:
       update_config:
         failure_action: rollback
+        order: start-first
       labels:
         - "traefik.enable=true"