[{"data":1,"prerenderedAt":975},["ShallowReactive",2],{"content-/build-optimization-implementation-prompt":3,"all-pages-for-dir":953,"related-/build-optimization-implementation-prompt":954,"og-image-/build-optimization-implementation-prompt":974},{"id":4,"title":5,"body":6,"category":936,"concepts":936,"description":937,"extension":938,"meta":939,"navigation":940,"ogImage":936,"path":941,"project_name":936,"published":942,"publishedAt":943,"seo":944,"source":936,"stem":945,"tags":946,"todo":936,"unpublished":942,"updatedAt":951,"__hash__":952},"pages/2025-12/2025-12-29/build-optimization-implementation-prompt.md","ビルド効率化実装 - セッション用プロンプト",{"type":7,"value":8,"toc":897},"minimark",[9,13,17,20,24,88,90,93,97,110,113,116,145,148,163,165,169,172,182,185,188,194,197,271,274,291,294,300,302,306,309,331,334,433,436,440,443,462,464,468,471,483,486,489,492,609,611,615,618,625,628,669,672,679,682,688,690,693,774,776,783,786,789,863,866,877,879,882,885,893],[10,11,12],"h1",{"id":12},"ビルド効率化実装プロンプト",[14,15,16],"p",{},"このドキュメントは、次回セッションで生成AIに渡すためのプロンプトです。",[18,19],"hr",{},[21,22,23],"h2",{"id":23},"実施状況",[25,26,27,43],"table",{},[28,29,30],"thead",{},[31,32,33,37,40],"tr",{},[34,35,36],"th",{},"タスク",[34,38,39],{},"状態",[34,41,42],{},"実施日",[44,45,46,58,68,78],"tbody",{},[31,47,48,52,55],{},[49,50,51],"td",{},"pnpmキャッシュ追加",[49,53,54],{},"⚠️ 無効化",[49,56,57],{},"2025-12-30",[31,59,60,63,66],{},[49,61,62],{},"WAV変換ローカル化",[49,64,65],{},"✅ 完了",[49,67,57],{},[31,69,70,73,76],{},[49,71,72],{},"Nitroログレベル変更",[49,74,75],{},"❌ 取消",[49,77,57],{},[31,79,80,83,86],{},[49,81,82],{},"OGイメージ Workers化",[49,84,85],{},"⏸️ 見送り",[49,87,57],{},[18,89],{},[21,91,92],{"id":92},"コンテキスト",[94,95,96],"h3",{"id":96},"プロジェクト概要",[98,99,100,104,107],"ul",{},[101,102,103],"li",{},"Nuxt 3 + @nuxt/content のブログサイト",[101,105,106],{},"Cloudflare Pages にデプロイ",[101,108,109],{},"GitHub Actions で CI/CD",[94,111,112],{"id":112},"現在の問題",[14,114,115],{},"GitHub Actions でのビルドに約4分かかっている。主なボトルネック：",[117,118,119,126,136],"ol",{},[101,120,121,125],{},[122,123,124],"strong",{},"OGイメージの静的生成","（約100秒、55MB）",[101,127,128,135],{},[129,130,131,134],"del",{},[122,132,133],{},"FFmpegインストール","（32秒）- 毎回同じWAVファイルを変換"," ✅ 解決済み",[101,137,138,144],{},[129,139,140,143],{},[122,141,142],{},"pnpmキャッシュなし","（22秒）"," ⚠️ キャッシュはプリレンダリングエラーを引き起こすため無効化",[94,146,147],{"id":147},"関連ドキュメント",[98,149,150,157],{},[101,151,152,156],{},[153,154,155],"code",{},"/2025-12-29/build-optimization-analysis.md"," - 詳細な分析結果",[101,158,159,162],{},[153,160,161],{},"/2025-12-30/og-image-workers-migration.md"," - OGイメージ Workers 化計画",[18,164],{},[21,166,168],{"id":167},"タスク1-github-actions-キャッシュ追加-️-無効化","タスク1: GitHub Actions キャッシュ追加 ⚠️ 無効化",[94,170,171],{"id":171},"実施内容",[14,173,174,177,178,181],{},[153,175,176],{},".github/workflows/deploy.yml"," を編集して、pnpm のキャッシュを追加したが、",[122,179,180],{},"プリレンダリングエラーを引き起こすため無効化","。",[94,183,184],{"id":184},"問題",[14,186,187],{},"pnpmキャッシュを有効にすると一部のJリーグクラブページ（parceiro等）でSSRプリレンダリング時に500エラーが発生。",[14,189,190,193],{},[122,191,192],{},"原因",": キャッシュに古い/不整合な依存関係が残り、SSR時のランタイムエラーを引き起こした。",[94,195,196],{"id":196},"現在のファイル",[198,199,204],"pre",{"className":200,"code":201,"language":202,"meta":203,"style":203},"language-yaml shiki shiki-themes vitesse-light vitesse-light","- name: Setup Node.js\n  uses: actions/setup-node@v4\n  with:\n    node-version: '22'\n    # cache: 'pnpm' # プリレンダリングエラーを引き起こすため無効化\n","yaml","",[153,205,206,226,237,246,264],{"__ignoreMap":203},[207,208,211,215,219,222],"span",{"class":209,"line":210},"line",1,[207,212,214],{"class":213},"shFtX","-",[207,216,218],{"class":217},"sz8Xr"," name",[207,220,221],{"class":213},":",[207,223,225],{"class":224},"sdGka"," Setup Node.js\n",[207,227,229,232,234],{"class":209,"line":228},2,[207,230,231],{"class":217},"  uses",[207,233,221],{"class":213},[207,235,236],{"class":224}," actions/setup-node@v4\n",[207,238,240,243],{"class":209,"line":239},3,[207,241,242],{"class":217},"  with",[207,244,245],{"class":213},":\n",[207,247,249,252,254,258,261],{"class":209,"line":248},4,[207,250,251],{"class":217},"    node-version",[207,253,221],{"class":213},[207,255,257],{"class":256},"sMJiu"," '",[207,259,260],{"class":224},"22",[207,262,263],{"class":256},"'\n",[207,265,267],{"class":209,"line":266},5,[207,268,270],{"class":269},"sxvE3","    # cache: 'pnpm' # プリレンダリングエラーを引き起こすため無効化\n",[94,272,273],{"id":273},"変更点",[98,275,276,279,282],{},[101,277,278],{},"FFmpeg インストールステップを削除",[101,280,281],{},"pnpm setup を Node.js setup より前に移動",[101,283,284,290],{},[129,285,286,289],{},[153,287,288],{},"cache: 'pnpm'"," オプションを追加"," → 無効化",[94,292,293],{"id":293},"詳細",[14,295,296,299],{},[153,297,298],{},".claude/issues/2025-12-30-prerender-jleague-500.md"," を参照",[18,301],{},[21,303,305],{"id":304},"タスク2-wavwebm-変換のローカル化-完了","タスク2: WAV→WebM 変換のローカル化 ✅ 完了",[94,307,171],{"id":308},"実施内容-1",[117,310,311,314,317,320,326],{},[101,312,313],{},"ローカルで6つのWAVファイルをWebMに変換",[101,315,316],{},"WebMファイルをGitにコミット",[101,318,319],{},"WAVファイルを削除",[101,321,322,325],{},[153,323,324],{},"nuxt.config.ts"," のWAV変換処理を削除",[101,327,328,330],{},[153,329,176],{}," からFFmpegインストールを削除",[94,332,333],{"id":333},"変換結果",[25,335,336,349],{},[28,337,338],{},[31,339,340,343,346],{},[34,341,342],{},"ファイル",[34,344,345],{},"WAVサイズ",[34,347,348],{},"WebMサイズ",[44,350,351,362,373,384,395,406,417],{},[31,352,353,356,359],{},[49,354,355],{},"boki3_ch4_0_00",[49,357,358],{},"377KB",[49,360,361],{},"115KB",[31,363,364,367,370],{},[49,365,366],{},"boki3_ch4_0_01",[49,368,369],{},"989KB",[49,371,372],{},"290KB",[31,374,375,378,381],{},[49,376,377],{},"boki3_ch4_0_02",[49,379,380],{},"1.3MB",[49,382,383],{},"387KB",[31,385,386,389,392],{},[49,387,388],{},"boki3_ch4_0_03",[49,390,391],{},"1.6MB",[49,393,394],{},"479KB",[31,396,397,400,403],{},[49,398,399],{},"boki3_ch4_0_04",[49,401,402],{},"2.3MB",[49,404,405],{},"685KB",[31,407,408,411,414],{},[49,409,410],{},"boki3_ch4_0_05",[49,412,413],{},"1.2MB",[49,415,416],{},"352KB",[31,418,419,424,429],{},[49,420,421],{},[122,422,423],{},"合計",[49,425,426],{},[122,427,428],{},"7.4MB",[49,430,431],{},[122,432,402],{},[14,434,435],{},"約70%のサイズ削減を達成。",[94,437,439],{"id":438},"nuxtconfigts-の変更","nuxt.config.ts の変更",[14,441,442],{},"削除したコード:",[98,444,445,450,455],{},[101,446,447],{},[153,448,449],{},"import { execSync } from \"node:child_process\"",[101,451,452],{},[153,453,454],{},"import { unlink } from \"node:fs/promises\"",[101,456,457,458,461],{},"WAV変換処理（",[153,459,460],{},"convertWavToOpus"," 関数）",[18,463],{},[21,465,467],{"id":466},"タスク3-nitro-ログレベルの変更-取消","タスク3: Nitro ログレベルの変更 ❌ 取消",[94,469,171],{"id":470},"実施内容-2",[14,472,473,475,476,479,480,181],{},[153,474,324],{}," で Nitro のログレベルを ",[153,477,478],{},"warn"," に設定したが",[122,481,482],{},"エラー発生時に詳細が見えなくなるため取消",[94,484,485],{"id":485},"取消理由",[14,487,488],{},"プリレンダリングエラーのデバッグ時、ログが抑制されて原因特定が困難になったため。",[94,490,491],{"id":491},"現在の設定",[198,493,497],{"className":494,"code":495,"language":496,"meta":203,"style":203},"language-typescript shiki shiki-themes vitesse-light vitesse-light","nitro: {\n  preset: \"cloudflare-pages-static\",\n  prerender: {\n    crawlLinks: true,\n    routes: ['/blog', '/'],\n    concurrency: 10  // CI環境での安定性向上のため追加\n  }\n}\n","typescript",[153,498,499,510,529,538,551,582,597,603],{"__ignoreMap":203},[207,500,501,505,507],{"class":209,"line":210},[207,502,504],{"class":503},"senZ8","nitro",[207,506,221],{"class":213},[207,508,509],{"class":213}," {\n",[207,511,512,515,517,520,523,526],{"class":209,"line":228},[207,513,514],{"class":503},"  preset",[207,516,221],{"class":213},[207,518,519],{"class":256}," \"",[207,521,522],{"class":224},"cloudflare-pages-static",[207,524,525],{"class":256},"\"",[207,527,528],{"class":213},",\n",[207,530,531,534,536],{"class":209,"line":239},[207,532,533],{"class":503},"  prerender",[207,535,221],{"class":213},[207,537,509],{"class":213},[207,539,540,543,545,549],{"class":209,"line":248},[207,541,542],{"class":503},"    crawlLinks",[207,544,221],{"class":213},[207,546,548],{"class":547},"sHkkW"," true",[207,550,528],{"class":213},[207,552,553,556,558,561,564,567,569,572,574,577,579],{"class":209,"line":266},[207,554,555],{"class":503},"    routes",[207,557,221],{"class":213},[207,559,560],{"class":213}," [",[207,562,563],{"class":256},"'",[207,565,566],{"class":224},"/blog",[207,568,563],{"class":256},[207,570,571],{"class":213},",",[207,573,257],{"class":256},[207,575,576],{"class":224},"/",[207,578,563],{"class":256},[207,580,581],{"class":213},"],\n",[207,583,585,588,590,594],{"class":209,"line":584},6,[207,586,587],{"class":503},"    concurrency",[207,589,221],{"class":213},[207,591,593],{"class":592},"sM54T"," 10",[207,595,596],{"class":269},"  // CI環境での安定性向上のため追加\n",[207,598,600],{"class":209,"line":599},7,[207,601,602],{"class":213},"  }\n",[207,604,606],{"class":209,"line":605},8,[207,607,608],{"class":213},"}\n",[18,610],{},[21,612,614],{"id":613},"タスク4-ogイメージの-cloudflare-workers-化見送り","タスク4: OGイメージの Cloudflare Workers 化（見送り）",[94,616,617],{"id":617},"結論",[14,619,620,621,624],{},"検討の結果、",[122,622,623],{},"見送り","とした。現在の静的生成方式を維持する。",[94,626,627],{"id":627},"見送りの理由",[117,629,630,643,656],{},[101,631,632,635],{},[122,633,634],{},"現在の構成で十分機能している",[98,636,637,640],{},[101,638,639],{},"ビルド時間100秒は許容範囲",[101,641,642],{},"55MBのdistサイズもCDN配信なら問題なし",[101,644,645,648],{},[122,646,647],{},"OGイメージへのアクセスは実際少ない",[98,649,650,653],{},[101,651,652],{},"SNSシェア時のクローラーのみがアクセス",[101,654,655],{},"1日1万アクセス程度のサイトでは影響軽微",[101,657,658,661],{},[122,659,660],{},"複雑さを増やすより、シンプルな構成を維持",[98,662,663,666],{},[101,664,665],{},"Workers化は「やれば速くなる」けど「やらなくても困らない」最適化",[101,667,668],{},"メンテナンスコストを考えると現状維持が妥当",[94,670,671],{"id":671},"例外",[14,673,674,675,678],{},"日本語クイズのOGイメージは動的パラメータ（正解数/問題数）が必要なため、既にWorkers化済み。\nこのように",[122,676,677],{},"動的にパラメータが変わるケース","ではWorkers化が有効。",[94,680,293],{"id":681},"詳細-1",[14,683,684],{},[122,685,686,299],{},[153,687,161],{},[18,689],{},[21,691,692],{"id":692},"優先順位",[25,694,695,712],{},[28,696,697],{},[31,698,699,702,704,707,710],{},[34,700,701],{},"順番",[34,703,36],{},[34,705,706],{},"難易度",[34,708,709],{},"効果",[34,711,39],{},[44,713,714,730,744,759],{},[31,715,716,719,721,724,727],{},[49,717,718],{},"1",[49,720,51],{},[49,722,723],{},"低",[49,725,726],{},"20秒短縮",[49,728,729],{},"⚠️ 無効化（エラー発生）",[31,731,732,735,737,739,742],{},[49,733,734],{},"2",[49,736,62],{},[49,738,723],{},[49,740,741],{},"32秒短縮",[49,743,65],{},[31,745,746,749,751,753,756],{},[49,747,748],{},"3",[49,750,72],{},[49,752,723],{},[49,754,755],{},"ログ削減",[49,757,758],{},"❌ 取消（デバッグ困難）",[31,760,761,764,766,769,772],{},[49,762,763],{},"4",[49,765,82],{},[49,767,768],{},"高",[49,770,771],{},"100秒短縮",[49,773,85],{},[18,775],{},[14,777,778],{},[779,780],"img",{"alt":781,"src":782},"alt text","/2025-12/2025-12-29/image.png",[21,784,785],{"id":785},"実施後の結果",[94,787,788],{"id":788},"ビルド時間",[25,790,791,804],{},[28,792,793],{},[31,794,795,798,801],{},[34,796,797],{},"項目",[34,799,800],{},"変更前",[34,802,803],{},"変更後",[44,805,806,816,827,837,847],{},[31,807,808,810,813],{},[49,809,133],{},[49,811,812],{},"32秒",[49,814,815],{},"0秒",[31,817,818,821,824],{},[49,819,820],{},"pnpm install",[49,822,823],{},"22秒",[49,825,826],{},"22秒（キャッシュ無効）",[31,828,829,832,835],{},[49,830,831],{},"Generate static site",[49,833,834],{},"3分14秒",[49,836,834],{},[31,838,839,842,845],{},[49,840,841],{},"Deploy",[49,843,844],{},"17秒",[49,846,844],{},[31,848,849,853,858],{},[49,850,851],{},[122,852,423],{},[49,854,855],{},[122,856,857],{},"4分30秒",[49,859,860],{},[122,861,862],{},"約4分",[94,864,865],{"id":865},"結果",[98,867,868,871,874],{},[101,869,870],{},"FFmpegインストール削除で32秒短縮",[101,872,873],{},"pnpmキャッシュは問題発生のため無効化（効果なし）",[101,875,876],{},"合計で約30秒の短縮を達成",[18,878],{},[21,880,881],{"id":881},"補足情報",[94,883,884],{"id":884},"ディレクトリ構造",[198,886,891],{"className":887,"code":889,"language":890},[888],"language-text","mdx-playground/\n├── .github/workflows/deploy.yml\n├── apps/\n│   ├── web/\n│   │   ├── nuxt.config.ts\n│   │   ├── public/audio/boki3/chapter4_0/*.webm  ← WAV から変換済み\n│   │   └── app/components/OgImage/\n│   │       ├── OgImageTemplate.vue\n│   │       └── JLeagueOgImage.vue\n│   └── workers/\n│       └── og/src/index.ts\n","text",[153,892,889],{"__ignoreMap":203},[894,895,896],"style",{},"html pre.shiki code .shFtX, html code.shiki .shFtX{--shiki-default:#999999;--shiki-dark:#999999}html pre.shiki code .sz8Xr, html code.shiki .sz8Xr{--shiki-default:#998418;--shiki-dark:#998418}html pre.shiki code .sdGka, html code.shiki .sdGka{--shiki-default:#B56959;--shiki-dark:#B56959}html pre.shiki code .sMJiu, html code.shiki .sMJiu{--shiki-default:#B5695977;--shiki-dark:#B5695977}html pre.shiki code .sxvE3, html code.shiki .sxvE3{--shiki-default:#A0ADA0;--shiki-dark:#A0ADA0}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: 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