Docker创建了太多图像

Question

我有几个项目在他们自己的docker项目中.我已经注意到,随着时间的推移,当我需要设置新环境时,需要更长时间才能完成.看起来每个版本的容量都在25-100mb之间,并且每次都会下载所有版本.

有什么可能导致这种情况,有没有更好的方法呢？

Pulling repository private.repo.com:8080/project
24e73aa61b9e: Pulling dependent layers
e9e06b06e14c: Download complete
a82efea989f9: Download complete
37bea4ee0c81: Download complete
07f8e8c5e660: Download complete
eebb8b8af862: Download complete
66dfa7610c51: Download complete
be9344bb178f: Download complete
f9b0b5922fcc: Download complete
d538871b66d9: Download complete
63b83602dd59: Download complete
4701d9c2b782: Download complete
e0867454dc78: Download complete
5f8f0c295506: Download complete
ff20a42d5239: Download complete
79093a41f7a4: Download complete
f67f10a60f8f: Download complete
9ae271a15a20: Download complete
b8e39263e460: Download complete
cd92a7abfb56: Download complete
3ab53402c585: Download complete
e6fbd8fbe1c8: Download complete
6b741d246738: Download complete
5d2de83d20bf: Download complete
72c062ac5a98: Download complete
8b9f7ca662b7: Download complete
10e830b030bf: Download complete
2f9c03ddb7f7: Download complete
3a7a81509db4: Download complete
11f4dab16ebd: Downloading [=======>                                           ] 15.68 MB/106 MB

Answer 1

Dockerfiles中有太多命令.每个命令- ,,RUN 等-创建在所得图像中一个新的层,并且每个这些层的必须以下载完整的图像被下载.尝试通过将多个命令组合成一个来减少层数.ENVEXPOSERUNRUN&&