https://peter-notes.com/tags/backend/Recent content in Backend on Peter.H's Full-Stack GAMEhttps://peter-notes.com/images/og-image.jpghttps://peter-notes.com/images/og-image.jpgHugozh-twFri, 15 May 2026 00:00:00 +0000https://peter-notes.com/posts/schema-pivot-dual-write-migration/Fri, 15 May 2026 00:00:00 +0000https://peter-notes.com/posts/schema-pivot-dual-write-migration/外部系統匯入的 customers 表跑了三年,現在想換成 SaaS 自己的 users 表為主。Stop-the-world 風險太高,dual-write 過渡是唯一可行解。本文拆解 3 階段 migration、partial cut-over、DISTINCT ON 去重、永久共存政策的設計考量與實戰踩坑。https://peter-notes.com/posts/orm-silent-populate-failure/Fri, 24 Apr 2026 00:00:00 +0000https://peter-notes.com/posts/orm-silent-populate-failure/一個 CMS 文件的「上傳者」欄位永遠空白引出的除錯故事：當 ORM 的 populate / include 在特定條件組合下靜默失敗，HTTP 200 OK、其他欄位都對，唯獨關聯變成 null。介紹這類跨 ORM 的通病怎麼診斷、怎麼繞過、怎麼從架構分層理解為什麼只有這一層會騙人。https://peter-notes.com/posts/strapi-v5-populate-silent-failure-with-relation-filters/Fri, 24 Apr 2026 00:00:00 +0000https://peter-notes.com/posts/strapi-v5-populate-silent-failure-with-relation-filters/A reproducible Strapi v5 bug: combining filters[relation][id][$eq] with populate[relation]=true silently returns null for the populated field — no error, no warning, just missing data. This post walks through the symptom, a curl reproduction, why it happens at the ORM layer, and a knex-based custom find controller that fixes it.https://peter-notes.com/posts/admin-panel-permission-drift-cms-backends/Fri, 17 Apr 2026 00:00:00 +0000https://peter-notes.com/posts/admin-panel-permission-drift-cms-backends/從一個 Flutter 切不回手機頭貼的 bug 出發，揭開 Strapi Admin Panel 權限漂移這個跨後端的共通陷阱。深入分析雙層根因、衍生的 null validation bug，以及為什麼 Firebase、Supabase、Hasura、AWS IAM 都逃不過這個問題。https://peter-notes.com/posts/strapi-plugin-factory-wrapper/Thu, 15 Jan 2026 00:00:00 +0000https://peter-notes.com/posts/strapi-plugin-factory-wrapper/深入解析 Strapi v5 plugin 架構中的 factory function 陷阱，以及如何使用 Factory Wrapper 模式正確覆寫 users-permissions plugin 的 service 和 controllerhttps://peter-notes.com/posts/why-choose-strapi-cms-2024/Tue, 23 Dec 2025 00:00:00 +0000https://peter-notes.com/posts/why-choose-strapi-cms-2024/深入分析 2024 年 6 月為公司進行 CMS 技術選型的決策過程，從 Headless CMS 架構、自動化 API 生成、到實際人力成本節省的完整考量https://peter-notes.com/posts/frontend-login-cors-issues/Tue, 01 Jul 2025 00:00:00 +0000https://peter-notes.com/posts/frontend-login-cors-issues/從同源政策到 CORS 預檢請求，深入理解跨來源資源共用的運作原理，並提供 Strapi、Express、Nginx 等實戰設定範例與完整排查流程https://peter-notes.com/posts/strapi-custom-search/Sun, 27 Oct 2024 00:00:00 +0000https://peter-notes.com/posts/strapi-custom-search/在 Strapi v5 中實作自訂搜尋邏輯，讓 Admin 面板支援跨關聯的多欄位搜尋，解決只能搜尋單一欄位的限制