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Docker Library Bot 2017-01-06 14:33:55 -08:00
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kaazing-gateway/README.md
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@ -18,23 +18,27 @@ The Kaazing Gateway is a network gateway created to provide a single access poin
By default the gateway runs a WebSocket echo service similar to [websocket.org](https://www.websocket.org/echo.html).
You must give your gateway container a hostname. To do this, use the `docker run -h somehostname` option, along with the -e option to define an environment variable, GATEWAY_OPTS, to pass this hostname to the gateway configuration (your hostname may vary):
```console
$ docker run --name some-kaazing-gateway -h somehostname -d -p 8000:8000 kaazing-gateway
$ docker run --name some-kaazing-gateway -h somehostname -e GATEWAY_OPTS="-Dgateway.hostname=somehostname -Xmx512m -Djava.security.egd=file:/dev/urandom"-d -p 8000:8000 kaazing-gateway
```
Note: the additional GATEWAY_OPTS options, `-Xmx512m -Djava.security.egd=file:/dev/urandom`, are added in order to preserve these values from the original Dockerfile for the gateway. The `-Xmx512m` value specifies a minimum Java heap size of 512 MB, and `-Djava.security.egd=file:/dev/urandom` is to facilitate faster startup on VMs. See the `Dockerfile` link referenced above for details.
You should then be able to connect to ws://somehostname:8000 from the [WebSocket echo test](https://www.websocket.org/echo.html).
Note: this assumes that `somehostname` is resolvable from your browser, you may need to add an etc/hosts entry for `somehostname` on your `dockerhost ip`.
Note: all of the above assumes that `somehostname` is resolvable from your browser. You may need to add an etc/hosts entry for `somehostname` on your `dockerhost ip`.
## Custom Configuration
To launch a container with a specific configuration you can do the following:
```console
$ docker run --name some-kaazing-gateway -v /some/gateway-config.xml:/kaazing-gateway/conf/gateway-config.xml:ro -d kaazing-gateway
$ docker run --name some-kaazing-gateway -h somehostname -e GATEWAY_OPTS="-Dgateway.hostname=somehostname -Xmx512m -Djava.security.egd=file:/dev/urandom" -v /some/gateway-config.xml:/kaazing-gateway/conf/gateway-config.xml:ro -d kaazing-gateway
```
For information on the syntax of the Kaazing Gateway configuration files, see [the official documentation](http://developer.kaazing.com/documentation/5.0/index.html) (specifically the [Configuration Guide](http://developer.kaazing.com/documentation/5.0/admin-reference/r_conf_elementindex.html)).
For information on the syntax of the Kaazing Gateway configuration files, see [the official documentation](https://kaazing.com/doc/5.0/index.html) (specifically the *For Administrators* section).
If you wish to adapt the default Gateway configuration file, you can use a command such as the following to copy the file from a running Kaazing Gateway container:
@ -55,6 +59,10 @@ Then, build with `docker build -t some-custom-kaazing-gateway .` and run:
$ docker run --name some-kaazing-gateway -d some-custom-kaazing-gateway
```
## GATEWAY_OPTS
For more information on the GATEWAY_OPTS environment variable, see [Configure Kaazing Gateway Using the GATEWAY_OPTS Environment Variable](https://kaazing.com/doc/5.0/admin-reference/p_configure_gateway_opts/).
# License
View [license information](https://github.com/kaazing/gateway/blob/master/LICENSE.txt) for the software contained in this image.