[[["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 2025-06-03 UTC。"],[[["Dataflow pipelines using Runner v2 support the use of custom container images to customize the runtime environment of user code."],["By default, Dataflow pipelines use prebuilt Apache Beam images, but users can specify their own custom container images for their Dataflow jobs."],["Custom containers allow users to preinstall pipeline dependencies, including those not in public repositories, and to manage dependencies when access to public repositories is restricted."],["Using custom containers also allows you to prestage large files and launch third-party software to customize the execution environment."],["The main use cases of custom containers are to reduce worker start time, customize the environment, and to manage dependencies."]]],[]]