docker_practice/network/linking.md

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##
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`Docker` 使使 `--link` 使
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Docker Docker 使 `--link`
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###
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Docker
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```bash
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$ docker network create -d bridge my-net
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```
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`-d` Docker `bridge` `overlay` `overlay` [Swarm mode](../swarm_mode/)
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###
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`my-net`
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```bash
$ docker run -it --rm --name busybox1 --network my-net busybox sh
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```
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`my-net`
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```bash
$ docker run -it --rm --name busybox2 --network my-net busybox sh
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```
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```bash
$ docker container ls
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CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
b47060aca56b busybox "sh" 11 minutes ago Up 11 minutes busybox2
8720575823ec busybox "sh" 16 minutes ago Up 16 minutes busybox1
```
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`ping` `busybox1` `busybox2`
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`busybox1`
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```bash
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/ # ping busybox2
PING busybox2 (172.19.0.3): 56 data bytes
64 bytes from 172.19.0.3: seq=0 ttl=64 time=0.072 ms
64 bytes from 172.19.0.3: seq=1 ttl=64 time=0.118 ms
```
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ping `busybox2` `172.19.0.3`
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`busybox2` `ping busybox1`
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```bash
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/ # ping busybox1
PING busybox1 (172.19.0.2): 56 data bytes
64 bytes from 172.19.0.2: seq=0 ttl=64 time=0.064 ms
64 bytes from 172.19.0.2: seq=1 ttl=64 time=0.143 ms
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```
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`busybox1` `busybox2`
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### Docker Compose
使 [Docker Compose](../compose)