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docs: Add warning about running the web demo on remote servers or Docker.

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Brandon Amos 2015-12-28 13:05:46 -05:00
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docs/demo-1-web.md
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@ -40,6 +40,50 @@ please post to
and include the the WebSocket log contents from
`/tmp/openface.websocket.log` if available.
### Warning when running remotely
Trying to connect to a remote or Docker version of OpenFace in
the latest version of Chrome will result in the following error:
> getUserMedia() no longer works on insecure origins. To use this
> feature, you should consider switching your application to a secure
> origin, such as HTTPS. See https://goo.gl/rStTGz for more details.
They suggest three workarounds:
1. localhost is treated as a secure origin over HTTP, so if you're
able to run your server from localhost, you should be able to test
the feature on that server.
2. You can run chrome with the
--unsafely-treat-insecure-origin-as-secure="example.com" flag
(replacing "example.com" with the origin you actually want to test),
which will treat that origin as secure for this session. Note that
you also need to include the --user-data-dir=/test/only/profile/dir
to create a fresh testing profile for the flag to work.
3. Use secure protocols
---
\#2 is requires starting Chrome with a non-standard flag.
If you don't want to start Chrome with a non-standard flag,
the following commands use [ncat](https://nmap.org/ncat/) to
route all OpenFace traffic through localhost to a remote server or
Docker container so that the demo can be accessed in Chrome
at `http://localhost:8000`.
Replace `SERVER_IP` with the IP address of your server.
```
export SERVER_IP=192.168.99.100
ncat --sh-exec "ncat $SERVER_IP 8000" -l 8000 --keep-open &
ncat --sh-exec "ncat $SERVER_IP 9000" -l 9000 --keep-open &
```
We are also interested in help running this demo with secure protocols
in [Issue #75](https://github.com/cmusatyalab/openface/issues/75)
so the demo works on a remote server or Docker without these workarounds.
### With Docker
Start the HTTP and WebSocket servers on ports 8000 and 9000 in the