[Docker] Multiple Jobs running in the same container instance

[Florian Lier]

Dear all,

there are some great Docker plugins for Jenkins out there. However, I couldn't find one

that actually solves the following problem:

Let's assume we have a software system consisting of multiple components, e.g,

written in C++, that are _dependent_ on each other.

D is dependent on C, C on B, B on A.  Furthermore, they all have operating system 

dependencies like Ubuntu packages (that might also change when updated upstream).

Now, you'd like to build ABC and D inside a _fresh_ docker container (job orchestration is solved

by defining an up- and downstream chain). In order to do that, you (Jenkins) would spin up new container 

based-on Ubuntu 14.04 for instance install the required packages and then build A,B,C and D 

inside that(!) container instance. After all jobs have been run, the container is shutdown. 

How can one achieve that? All Docker Plugins either start (and stop) a container _per_ job, which 

makes it impossible build all components since they are dependent on each other, or you connect

to a running container (e.g. via SSH). The latter is also not feasible since after the first build the  

environment is not clean anymore (remember I want to start in a fresh Ubuntu).

Any suggestions? Thanks!

Cheers,

   Florian

[Baptiste Mathus]

Hello,

Seems like a possible possible use case for Pipeline and the Docker build step plugin.

Cheers

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