merge: resolve Dockerfile conflicts between stg and deploy/stg

- Keep optimized multi-stage build from stg
- Add gen:api step from deploy/stg
- Maintain security best practices (non-root user, minimal deps)

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

package.json

@@ -121,7 +121,7 @@
     "@types/react-dom": "^19",
     "@vitest/ui": "^4.0.18",
     "eslint": "^9",
-    "eslint-config-next": "15.1.6",
+    "eslint-config-next": "15.5.12",
     "jsdom": "^28.0.0",
     "msw": "^2.12.9",
     "parcel": "^2.6.2",