KJR020の技術ブログhttps://kjr020.devja-jphttps://kjr020.dev/posts/astro/astro-pagefind-searchhttps://kjr020.dev/posts/astro/astro-pagefind-searchastro-pagefindの導入手順と、Pagefind UIを使わずにAPIから直接カスタム検索UIを構築した過程を紹介します。Sat, 21 Mar 2026 07:00:00 GMTAstroPagefindReact全文検索https://kjr020.dev/posts/llm/harness-engineeringhttps://kjr020.dev/posts/llm/harness-engineeringOpenAI Engineeringが提唱する「Harness Engineering」について、ThoughtworksのBirgitta Böckelerによる解説も踏まえて自分なりにまとめました。エージェントにコードを書かせるために人間は何を設計すべきかを整理しています。Thu, 26 Feb 2026 15:25:00 GMTLLMAIソフトウェアエンジニアリングhttps://kjr020.dev/posts/astro/astro%E3%83%96%E3%83%AD%E3%82%B0%E3%81%AB%E3%82%B3%E3%83%BC%E3%83%AB%E3%82%A2%E3%82%A6%E3%83%88%E6%A9%9F%E8%83%BD%E3%82%92%E8%BF%BD%E5%8A%A0%E3%81%97%E3%81%9Fhttps://kjr020.dev/posts/astro/astro%E3%83%96%E3%83%AD%E3%82%B0%E3%81%AB%E3%82%B3%E3%83%BC%E3%83%AB%E3%82%A2%E3%82%A6%E3%83%88%E6%A9%9F%E8%83%BD%E3%82%92%E8%BF%BD%E5%8A%A0%E3%81%97%E3%81%9FWed, 21 Jan 2026 13:08:00 GMTAstrohttps://kjr020.dev/posts/astro/%E3%83%96%E3%83%AD%E3%82%B0%E3%82%92astro%E3%81%AB%E7%A7%BB%E7%AE%A1%E3%81%97%E3%81%A6%E3%81%BF%E3%81%9Fhttps://kjr020.dev/posts/astro/%E3%83%96%E3%83%AD%E3%82%B0%E3%82%92astro%E3%81%AB%E7%A7%BB%E7%AE%A1%E3%81%97%E3%81%A6%E3%81%BF%E3%81%9FSat, 17 Jan 2026 14:34:09 GMTAstro技術選定https://kjr020.dev/posts/fastapi/fastapi%E3%81%AE%E3%83%86%E3%82%B9%E3%83%88%E3%81%A7dependency_overrides%E3%81%8C%E5%8A%B9%E3%81%8B%E3%81%AA%E3%81%84https://kjr020.dev/posts/fastapi/fastapi%E3%81%AE%E3%83%86%E3%82%B9%E3%83%88%E3%81%A7dependency_overrides%E3%81%8C%E5%8A%B9%E3%81%8B%E3%81%AA%E3%81%84Fri, 10 Oct 2025 14:14:11 GMTFastAPIhttps://kjr020.dev/posts/fastapi/fastapi%E3%81%AE%E3%83%90%E3%83%AA%E3%83%87%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3%E3%82%A8%E3%83%A9%E3%83%BC%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%AA%BF%E3%81%B9%E3%81%9Fhttps://kjr020.dev/posts/fastapi/fastapi%E3%81%AE%E3%83%90%E3%83%AA%E3%83%87%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3%E3%82%A8%E3%83%A9%E3%83%BC%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%AA%BF%E3%81%B9%E3%81%9FFri, 03 Oct 2025 15:22:58 GMTFastAPIPydantichttps://kjr020.dev/posts/terraform/terraform%E5%85%A5%E9%96%80%E3%81%97%E3%81%9Fhttps://kjr020.dev/posts/terraform/terraform%E5%85%A5%E9%96%80%E3%81%97%E3%81%9FFri, 18 Apr 2025 20:52:35 GMTTerraformhttps://kjr020.dev/posts/pytest/pytest_monkeypatchhttps://kjr020.dev/posts/pytest/pytest_monkeypatchThu, 16 Jan 2025 11:04:07 GMTpytesthttps://kjr020.dev/posts/logic/%E8%AB%96%E7%90%86%E5%AD%A6%E5%85%A5%E9%96%80https://kjr020.dev/posts/logic/%E8%AB%96%E7%90%86%E5%AD%A6%E5%85%A5%E9%96%80Fri, 13 Dec 2024 23:14:40 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GMTHugoMermaidhttps://kjr020.dev/posts/database/%E6%A5%AD%E5%8B%99%E3%83%95%E3%83%AD%E3%83%BC%E3%82%92%E6%95%B4%E7%90%86%E3%81%9B%E3%81%9A%E3%83%86%E3%83%BC%E3%83%96%E3%83%AB%E8%A8%AD%E8%A8%88%E3%82%92%E3%81%97%E3%82%88%E3%81%86%E3%81%A8%E3%81%97%E3%81%A6%E5%A4%B1%E6%95%97%E3%81%97%E3%81%9F%E8%A9%B1https://kjr020.dev/posts/database/%E6%A5%AD%E5%8B%99%E3%83%95%E3%83%AD%E3%83%BC%E3%82%92%E6%95%B4%E7%90%86%E3%81%9B%E3%81%9A%E3%83%86%E3%83%BC%E3%83%96%E3%83%AB%E8%A8%AD%E8%A8%88%E3%82%92%E3%81%97%E3%82%88%E3%81%86%E3%81%A8%E3%81%97%E3%81%A6%E5%A4%B1%E6%95%97%E3%81%97%E3%81%9F%E8%A9%B1Wed, 23 Oct 2024 21:56:56 GMTDB設計業務フローhttps://kjr020.dev/posts/vitest/vitest%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6https://kjr020.dev/posts/vitest/vitest%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6Sat, 12 Oct 2024 13:20:17 GMTVitesthttps://kjr020.dev/posts/vue/vue3tutorial14https://kjr020.dev/posts/vue/vue3tutorial14Fri, 11 Oct 2024 13:50:50 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GMTGithttps://kjr020.dev/posts/general/git_merge_strategyhttps://kjr020.dev/posts/general/git_merge_strategySun, 25 Aug 2024 08:03:17 GMTGithttps://kjr020.dev/posts/general/git_stashhttps://kjr020.dev/posts/general/git_stashSun, 25 Aug 2024 08:03:17 GMTGithttps://kjr020.dev/posts/general/promiseallhttps://kjr020.dev/posts/general/promiseallSun, 25 Aug 2024 08:03:17 GMTJavaScripthttps://kjr020.dev/posts/general/sqlserver%E3%81%AE%E8%AA%8D%E8%A8%BC%E6%96%B9%E5%BC%8Fhttps://kjr020.dev/posts/general/sqlserver%E3%81%AE%E8%AA%8D%E8%A8%BC%E6%96%B9%E5%BC%8FSun, 25 Aug 2024 08:03:17 GMTSQL Serverhttps://kjr020.dev/posts/general/vif%E3%81%A8%E3%81%AFhttps://kjr020.dev/posts/general/vif%E3%81%A8%E3%81%AFSun, 25 Aug 2024 08:03:17 GMT統計学https://kjr020.dev/posts/general/vim_jumphttps://kjr020.dev/posts/general/vim_jumpSun, 25 Aug 2024 08:03:17 GMTVimhttps://kjr020.dev/posts/general/vscode_taskshttps://kjr020.dev/posts/general/vscode_tasksSun, 25 Aug 2024 08:03:17 GMTVS Codehttps://kjr020.dev/posts/general/vscode%E3%81%A7%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%82%A8%E3%82%AF%E3%82%B9%E3%83%97%E3%83%AD%E3%83%BC%E3%83%A9%E3%81%AE%E3%82%A2%E3%82%A4%E3%82%B3%E3%83%B3%E3%81%8C%E6%B6%88%E3%81%88%E3%81%9F%E3%81%A8%E3%81%8D%E3%81%AE%E5%AF%BE%E5%87%A6%E6%B3%95https://kjr020.dev/posts/general/vscode%E3%81%A7%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%82%A8%E3%82%AF%E3%82%B9%E3%83%97%E3%83%AD%E3%83%BC%E3%83%A9%E3%81%AE%E3%82%A2%E3%82%A4%E3%82%B3%E3%83%B3%E3%81%8C%E6%B6%88%E3%81%88%E3%81%9F%E3%81%A8%E3%81%8D%E3%81%AE%E5%AF%BE%E5%87%A6%E6%B3%95Sun, 25 Aug 2024 08:03:17 GMTVS Codehttps://kjr020.dev/posts/general/winswhttps://kjr020.dev/posts/general/winswSun, 25 Aug 2024 08:03:17 GMTWindowshttps://kjr020.dev/posts/general/%E3%82%BD%E3%82%B1%E3%83%83%E3%83%88%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6https://kjr020.dev/posts/general/%E3%82%BD%E3%82%B1%E3%83%83%E3%83%88%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6Sun, 25 Aug 2024 08:03:17 GMTDockerネットワークhttps://kjr020.dev/posts/general/%E7%84%A1%E7%B7%9A%E3%82%AD%E3%83%BC%E3%83%9C%E3%83%BC%E3%83%89%E3%81%8C%E9%81%85%E5%BB%B6%E3%81%99%E3%82%8B%E4%BB%95%E7%B5%84%E3%81%BFhttps://kjr020.dev/posts/general/%E7%84%A1%E7%B7%9A%E3%82%AD%E3%83%BC%E3%83%9C%E3%83%BC%E3%83%89%E3%81%8C%E9%81%85%E5%BB%B6%E3%81%99%E3%82%8B%E4%BB%95%E7%B5%84%E3%81%BFSun, 25 Aug 2024 08:03:17 GMTハードウェアhttps://kjr020.dev/posts/react/react%E3%81%AEstate%E7%AE%A1%E7%90%86https://kjr020.dev/posts/react/react%E3%81%AEstate%E7%AE%A1%E7%90%86Sun, 25 Aug 2024 08:03:17 GMTReact