docker: error pulling image configuration: Get 

Cコンパイラ３種をdockerで
https://qiita.com/kaizen_nagoya/items/77184cf005490d7579e6

保存したimageを走らせようとした。

```
$ docker run -it kaizenjapan/cc2 /bin/bash
Unable to find image 'kaizenjapan/cc2:latest' locally
latest: Pulling from kaizenjapan/cc2
e79bb959ec00: Pulling fs layer 
d4b7902036fe: Pulling fs layer 
1b2a72d4e030: Pulling fs layer 
d54db43011fd: Waiting 
69d473365bb3: Waiting 
79806b91083b: Waiting 
0005867d0332: Waiting 
97e9d2778677: Waiting 
21e48d1c09d5: Waiting 
96c3ecb9d9ce: Waiting 
docker: error pulling image configuration: Get https://production.cloudflare.docker.com/registry-v2/docker/registry/v2/blobs/sha256/3c/3c56251edcf3deae6a149cf34392a96ec478c1d5c2d089ad4fa50ea756ac65bc/data?verify=1556975010-9MeSXpz%2Fi%2F6NQYVMCSt1OR7UgKg%3D: Service Unavailable.
See 'docker run --help'.
```
じゃ、こっちは？


```
$ docker run -it kaizenjapan/cc3 /bin/bash
Unable to find image 'kaizenjapan/cc3:latest' locally
latest: Pulling from kaizenjapan/cc3
e79bb959ec00: Pull complete 
d4b7902036fe: Pull complete 
1b2a72d4e030: Pull complete 
d54db43011fd: Pull complete 
69d473365bb3: Pull complete 
79806b91083b: Pull complete 
0005867d0332: Pull complete 
97e9d2778677: Pull complete 
21e48d1c09d5: Pull complete 
263b6f960f87: Pull complete 
Digest: sha256:acbf6c21c9c52ad15aefd8210128f736b021f76c09aee3ac82c3352e209d14b2
Status: Downloaded newer image for kaizenjapan/cc3:latest
```
あれ、こっちは動く。

```
# exit
exit
```
じゃ、こっちは？

```
$ docker run -it kaizenjapan/cc /bin/bash
Unable to find image 'kaizenjapan/cc:latest' locally
latest: Pulling from kaizenjapan/cc
e79bb959ec00: Already exists 
d4b7902036fe: Already exists 
1b2a72d4e030: Already exists 
d54db43011fd: Already exists 
69d473365bb3: Already exists 
79806b91083b: Already exists 
0005867d0332: Already exists 
97e9d2778677: Already exists 
21e48d1c09d5: Already exists 
291dfe8bdd6e: Pull complete 
Digest: sha256:3d355b1ff36a163347e11717d7852e6fe352b746c85fb9ffee072e3b072a7e2a
Status: Downloaded newer image for kaizenjapan/cc:latest
```

動くやん。

```
# exit
exit
```
じゃ、もう一度。

```
$ docker run -it kaizenjapan/cc2 /bin/bash
Unable to find image 'kaizenjapan/cc2:latest' locally
latest: Pulling from kaizenjapan/cc2
e79bb959ec00: Already exists 
d4b7902036fe: Already exists 
1b2a72d4e030: Already exists 
d54db43011fd: Already exists 
69d473365bb3: Already exists 
79806b91083b: Already exists 
0005867d0332: Already exists 
97e9d2778677: Already exists 
21e48d1c09d5: Already exists 
96c3ecb9d9ce: Pull complete 
Digest: sha256:727a003f21e2fd2c1a58fba768c14e7efa081c20187e9be3ce07baa425496c9d
Status: Downloaded newer image for kaizenjapan/cc2:latest
```
あれ、動いた。

なんじゃらほい。

# 文書履歴(document history)
ver. 0.01 初稿 20190504 夕
ver. 0.02 はてな追記 20190504 夜
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