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docker-stacks/README.md
Ayaz Salikhov cf2791494e Add info about root_dir in docs (#1971)
* Add info about root_dir in docs

* Add note to running.md as well

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# Jupyter Docker Stacks
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[![Binder badge](https://static.mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jupyter/docker-stacks/main?urlpath=lab/tree/README.ipynb "Launch a jupyter/base-notebook container on mybinder.org")
Jupyter Docker Stacks are a set of ready-to-run [Docker images](https://hub.docker.com/u/jupyter) containing Jupyter applications and interactive computing tools.
You can use a stack image to do any of the following (and more):
- Start a personal Jupyter Server with the JupyterLab frontend (default)
- Run JupyterLab for a team using JupyterHub
- Start a personal Jupyter Server with the Jupyter Notebook frontend in a local Docker container
- Write your own project Dockerfile
## Quick Start
You can try a [relatively recent build of the jupyter/base-notebook image on mybinder.org](https://mybinder.org/v2/gh/jupyter/docker-stacks/main?urlpath=lab/tree/README.ipynb)
by simply clicking the preceding link.
Otherwise, the examples below may help you get started if you [have Docker installed](https://docs.docker.com/get-docker/),
know [which Docker image](https://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html) you want to use
and want to launch a single Jupyter Application in a container.
The [User Guide on ReadTheDocs](https://jupyter-docker-stacks.readthedocs.io/en/latest/) describes additional uses and features in detail.
**Example 1:**
This command pulls the `jupyter/scipy-notebook` image tagged `2023-07-31` from Docker Hub if it is not already present on the local host.
It then starts a container running a Jupyter Server with the JupyterLab frontend and exposes the container's internal port `8888` to port `10000` of the host machine:
```bash
docker run -p 10000:8888 jupyter/scipy-notebook:2023-07-31
```
You can modify the port on which the container's port is exposed by [changing the value of the `-p` option](https://docs.docker.com/engine/reference/run/#expose-incoming-ports) to `-p 8888:8888`.
Visiting `http://<hostname>:10000/?token=<token>` in a browser loads JupyterLab,
where:
- `hostname` is the name of the computer running Docker
- `token` is the secret token printed in the console.
The container remains intact for restart after the Server exits.
**Example 2:**
This command pulls the `jupyter/datascience-notebook` image tagged `2023-07-31` from Docker Hub if it is not already present on the local host.
It then starts an _ephemeral_ container running a Jupyter Server with the JupyterLab frontend and exposes the server on host port 10000.
```bash
docker run -it --rm -p 10000:8888 -v "${PWD}":/home/jovyan/work jupyter/datascience-notebook:2023-07-31
```
The use of the `-v` flag in the command mounts the current working directory on the host (`${PWD}` in the example command) as `/home/jovyan/work` in the container.
The server logs appear in the terminal.
Visiting `http://<hostname>:10000/?token=<token>` in a browser loads JupyterLab.
Due to the usage of [the flag `--rm`](https://docs.docker.com/engine/reference/run/#clean-up---rm) Docker automatically cleans up the container and removes the file
system when the container exits, but any changes made to the `~/work` directory and its files in the container will remain intact on the host.
[The `-it` flag](https://docs.docker.com/engine/reference/commandline/run/#name) allocates pseudo-TTY.
```{note}
By default, [jupyter's root_dir](https://jupyter-server.readthedocs.io/en/latest/other/full-config.html) is `/home/jovyan`.
So, new notebooks will be saved there, unless you change the directory in the file browser.
To change the default directory, you will need to specify `ServerApp.root_dir` by adding this line to previous command: `start-notebook.sh --ServerApp.root_dir=/home/jovyan/work`.
```
## Contributing
Please see the [Contributor Guide on ReadTheDocs](https://jupyter-docker-stacks.readthedocs.io/en/latest/)
for information about how to contribute recipes, features, tests, and community maintained stacks.
## Maintainer Help Wanted
We value all positive contributions to the Docker stacks project,
from [bug reports](https://jupyter-docker-stacks.readthedocs.io/en/latest/contributing/issues.html)
to [pull requests](https://jupyter-docker-stacks.readthedocs.io/en/latest/contributing/features.html#submitting-a-pull-request)
to help with answering questions.
We'd also like to invite members of the community to help with two maintainer activities:
- **Issue triaging**: Reading and providing a first response to issues, labeling issues appropriately,
redirecting cross-project questions to Jupyter Discourse
- **Pull request reviews**: Reading proposed documentation and code changes, working with the submitter
to improve the contribution, deciding if the contribution should take another form (e.g., a recipe
instead of a permanent change to the images)
Anyone in the community can jump in and help with these activities anytime.
We will happily grant additional permissions (e.g., the ability to merge PRs) to anyone who shows an ongoing interest in working on the project.
## Choosing Jupyter frontend
JupyterLab is the default for all the Jupyter Docker Stacks images.
It is still possible to switch back to Jupyter Notebook (or to launch a different startup command).
You can achieve this by passing the environment variable `DOCKER_STACKS_JUPYTER_CMD=notebook` (or any other valid `jupyter` subcommand) at container startup;
more information is available in the [documentation](https://jupyter-docker-stacks.readthedocs.io/en/latest/using/common.html#alternative-commands).
## Alternatives
- [jupyter/repo2docker](https://github.com/jupyterhub/repo2docker) - Turn git repositories into
Jupyter-enabled Docker Images
- [openshift/source-to-image](https://github.com/openshift/source-to-image) - A tool for
building artifacts from source and injecting them into docker images
- [jupyter-on-openshift/jupyter-notebooks](https://github.com/jupyter-on-openshift/jupyter-notebooks) -
OpenShift compatible S2I builder for basic notebook images
## Resources
- [Documentation on ReadTheDocs](https://jupyter-docker-stacks.readthedocs.io/en/latest/)
- [Issue Tracker on GitHub](https://github.com/jupyter/docker-stacks/issues)
- [Jupyter Discourse Forum](https://discourse.jupyter.org/)
- [Jupyter Website](https://jupyter.org)
- [Images on Docker Hub](https://hub.docker.com/u/jupyter)
## CPU Architectures
- We publish containers for both `x86_64` and `aarch64` platforms
- Single-platform images have either `aarch64-` or `x86_64-` tag prefixes, for example, `jupyter/base-notebook:aarch64-python-3.10.5`
- Starting from `2022-09-21`, we create multi-platform images (except `tensorflow-notebook`)
- Starting from `2023-07-31`, we create multi-platform `tensorflow-notebook` image as well
## Using old images
This project only builds one set of images at a time.
If you want to use older `Ubuntu` and/or `python` version, you can use following images:
| Build Date | Ubuntu | Python | Tag |
| ------------ | ------ | ------ | -------------- |
| 2022-10-09 | 20.04 | 3.7 | `1aac87eb7fa5` |
| 2022-10-09 | 20.04 | 3.8 | `a374cab4fcb6` |
| 2022-10-09 | 20.04 | 3.9 | `5ae537728c69` |
| 2022-10-09 | 20.04 | 3.10 | `f3079808ca8c` |
| 2022-10-09 | 22.04 | 3.7 | `b86753318aa1` |
| 2022-10-09 | 22.04 | 3.8 | `7285848c0a11` |
| 2022-10-09 | 22.04 | 3.9 | `ed2908bbb62e` |
| 2023-05-30 | 22.04 | 3.10 | `4d70cf8da953` |
| weekly build | 22.04 | 3.11 | `latest` |