[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["わかりにくい","hardToUnderstand","thumb-down"],["情報またはサンプルコードが不正確","incorrectInformationOrSampleCode","thumb-down"],["必要な情報 / サンプルがない","missingTheInformationSamplesINeed","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-09-04 UTC。"],[],[],null,["# Build Runtime\n\nThe Build runtime is the environment Apps are built in.\n\nEnvironment variables\n---------------------\n\nEnvironment variables are injected into the Build at runtime.\nVariables are added based on the following order, where later values override\nearlier ones with the same name:\n\n1. Space (set by administrators)\n2. App (set by developers)\n3. System (set by Kf)\n\nKf provides the following system environment variables to Builds:\n\n| **Note:** The environment variables Kf provides to Builds are a subset of those provided to [App Runtime](/migrate/kf/docs/2.3/how-to/app-runtime)."]]