# Description

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Currently, the WebRTC livestream is limited to connections within the
same local network. This change introduces the ability to set a public
IP address as an environment variable to allow connecting over the
Internet and allows for livestreaming remotely when using the pre-built
Isaac Lab container.

Note:
This may not fix the livestreaming issue when using pip or native
install of Isaac Lab, as it requires an updated version of the
livestream extension, which is only available through the docker image
at the moment. This will be fully fixed in the next version of Isaac
Sim.

Example: 

Run with `PUBLIC_IP=$(curl -s ifconfig.me) LIVESTREAM=2 ./isaaclab.sh -p
scripts/demos/quadrupeds.py` then connect using the [Isaac Sim WebRTC
Streaming
Client](https://docs.isaacsim.omniverse.nvidia.com/latest/installation/manual_livestream_clients.html#isaac-sim-short-webrtc-streaming-client).

`PUBLIC_IP` can also be set to a private IP address if connecting within
the same local network.

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## Type of change

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applicable. -->

- Bug fix (non-breaking change which fixes an issue)
- This change requires a documentation update

## Screenshots

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## Checklist

- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [x] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [ ] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file
- [x] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there

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---------
Co-authored-by: Kelly Guo <kellyguo123@hotmail.com>