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Add IP address example for cheat sheet

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Will Sargent 2016-03-16 11:34:29 -07:00
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@ -185,6 +185,19 @@ Docker has a [networks](https://docs.docker.com/engine/userguide/networking/dock
* [`docker network connect`](https://docs.docker.com/engine/reference/commandline/network_connect/)
* [`docker network disconnect`](https://docs.docker.com/engine/reference/commandline/network_disconnect/)
You can specify a [specific IP address for a container](https://blog.jessfraz.com/post/ips-for-all-the-things/):
```
# create a new bridge network with your subnet and gateway for your ip block
docker network create --subnet 203.0.113.0/24 --gateway 203.0.113.254 iptastic
# run a nginx container with a specific ip in that block
$ docker run --rm -it --net iptastic --ip 203.0.113.2 nginx
# curl the ip from any other place (assuming this is a public ip block duh)
$ curl 203.0.113.2
```
## Registry & Repository
A repository is a *hosted* collection of tagged images that together create the file system for a container.