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Shafi Ulla
Shafi Ulla

Reputation: 79

combining cloudbees ec2 docker image with docker in docker

Am trying to combine docker in docker feature with in cloudbees ecs image. Both the images are build using different linux based distribution. Cloudbees ECS slave image is build use base ubuntu 14.04 and docker:1.8-dind is build from base debian:jessie. What is the best way to combine both into one docker image with both features using debian:jessie as the base.

Upvotes: 0

Views: 95

Answers (1)

mcheshier
mcheshier

Reputation: 745

I've done something similar in the past and it usually comes down to walking the Dockerfile dependency chain and building up the image that way. In your instance, you'd probably want to start at https://hub.docker.com/r/cloudbees/java-build-tools/~/dockerfile/ and swap out

FROM ubuntu:15.04

with 

FROM debian:jessie

And build it to see what works and what doesn't work. Typically it's a package manager or something that needs to be updated/replaced.

The downside of this approach is that it can be a lot of trial and error and you end up with giant Dockerfiles, but the upside is that you can usually streamline your image to do exactly what you want without a lot of the Ubuntu extras.

Upvotes: 2

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