zyratlo opened a new pull request, #5256:
URL: https://github.com/apache/texera/pull/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 #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)
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