[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-07-09 (世界標準時間)。"],[[["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."]]],[]]