feat(python-notebook-migration): add JupyterLab docker for notebook migration tool#5256
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…igration tool (apache#5256) ### What changes were proposed in this PR? Introduces the local JupyterLab docker that the upcoming notebook-migration microservice will talk to. Three files are added under `notebook-migration-service/src/main/resources/`: - **`Dockerfile`** — `FROM jupyter/base-notebook:notebook-6.5.4`; `COPY`s `custom.js` into `/home/jovyan/.jupyter/custom/custom.js` and fixes ownership. - **`docker-compose.yml`** — runs JupyterLab as `texera-jupyter` on host port `9100`. Token/password auth disabled, XSRF check disabled, CSP set to allow `frame-ancestors http://localhost:*` so Texera can embed it in an iframe. Default URL is `/tree`. - **`custom.js`** — JupyterLab iframe customization. Posts `cellClicked` messages (with cell UUID) to `window.parent` and listens for `triggerCellClick` to scroll/highlight target cells. ### Any related issues, documentation, discussions? Closes apache#5255 Parent-issue apache#4301 ### How was this PR tested? Verified locally that the stack comes up cleanly and Jupyter is reachable. ### Was this PR authored or co-authored using generative AI tooling? Generated-by: Claude Code (Claude Opus 4.7)
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What changes were proposed in this PR?
Introduces the local JupyterLab docker that the upcoming notebook-migration microservice will talk to. Three files are added under
notebook-migration-service/src/main/resources/:Dockerfile—FROM jupyter/base-notebook:notebook-6.5.4;COPYscustom.jsinto/home/jovyan/.jupyter/custom/custom.jsand fixes ownership.docker-compose.yml— runs JupyterLab astexera-jupyteron host port9100. Token/password auth disabled, XSRF check disabled, CSP set to allowframe-ancestors http://localhost:*so Texera can embed it in an iframe. Default URL is/tree.custom.js— JupyterLab iframe customization. PostscellClickedmessages (with cell UUID) towindow.parentand listens fortriggerCellClickto scroll/highlight target cells.Any related issues, documentation, discussions?
Closes #5255
Parent-issue #4301
How was this PR tested?
Verified locally that the stack comes up cleanly and Jupyter is reachable.
Was this PR authored or co-authored using generative AI tooling?
Generated-by: Claude Code (Claude Opus 4.7)