可以在 docker 容器内推送 docker 图像吗？

Question

I have a docker-in-docker container, which we'll call "dind". And a large image, which we'll call "LI".

Dind is responsible for make some docker runs calls. I need to run LI inside Dind. Normally, I push LI to a registry and pull it inside Dind. But I have a bad internet network. it takes a whole life to do this...

So, I was thinking if it is possible to push a docker image inside a docker container.

Answer 1

You can use docker registry container in your localhost and pull image from it in dind. Here is the link: https://hub.docker.com/_/registry

Answer 2

You should not need to go over the network for this.

First, save LI to a local tarball

Then, in DIND use docker import .

Or alternatively, when you run DIND mount the LI tarball directly

Answer 3

you have a image A and you need to run an image B in image A (as per my understanding) you have a bad network-

your docker file should look like:

from image A docker pull image B

build this image and keep it as Image C

Image C should be your image for all the run which already has the Image B updated. Pull and Push Image when the connectivity is strong and you should be good.