deployment of multiple git branches

[Tomáš Bohuněk]

What do you recommend for deployment of multiple git repository (one project with few feature branches). Final artifact is JAR with bundled Tomcat application server. I usually run this JAR in Docker container. What do you prefer?

[Mark Waite]

Could you explain further what you mean by "multiple git repository (one project with few feature branches)"?

The phrase "multiple git repository" seems to be in conflict with the phrase "one project".  I typically place a project in a single git repository with a few feature branches as necessary.  Can you describe more about why you need multiple git repositories?

Thanks,

Mark Waite

On Tue, May 31, 2016 at 5:04 AM Tomáš Bohuněk <tboh...@gmail.com> wrote:

What do you recommend for deployment of multiple git repository (one project with few feature branches). Final artifact is JAR with bundled Tomcat application server. I usually run this JAR in Docker container. What do you prefer?

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[Tomáš Bohuněk]

Sorry for mistake. You are right. I have one single git repository (one project) with a few feature branches.

[Mark Waite]

I think you'll need to provide more details about the problem you're trying to solve, and the languages you're using to solve it.  For example, since you mentioned that you're deploying to tomcat, are you writing in Java or some other JRE supported language (like Scala)?

Are you building your jar with maven, gradle, ant, or some other build tool?

Mark Waite

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[Tomáš Bohuněk]

I would like to deploy and run each jar file for each feature branch. 

Project is written in Java and JavaScript. Jar file is built by maven. I need to deploy somehow to one machine each of jar built from each feature branch.

[Zoratto Thomas]

Hello,

You can achieve this with a Jenkinsfile per branch in your repository. Then create a new multibranch pipeline job in Jenkins pointing to your repository and you're done. See https://wiki.jenkins-ci.org/display/JENKINS/Pipeline+Multibranch+Plugin

Thomas

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[Philipp Meier]

Hi,

The interesting question for me is how to handle and identify the different artifacts which are built by the several branches. I. e. in Maven you specify a version 1.0.0-snapshot and this is then used to build the Jar. When you're going to deploy this on a machine or a repository (i. e. Nexus) you won't be able to identify from which branch it was built. How do you handle this?

Best, Philipp

[Thomas Zoratto]

Tomáš was talking about Docker so let’s take it for example. You could build a new Docker image for each one of your branches and tag it with the branch name, build number or whatever you prefer.

Regarding Nexus or Maven specifically you could use a plugin such as the Maven build number plugin for that purpose.

It’s just my opinion based on little experience, there are probably better methods (or workflows that don’t raise this question) out there.

But honestly, I think this isn’t directly related to Jenkins.

Good luck !

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[Mark Waite]

You might consider fingerprinting the artifacts then you can use the Jenkins fingerprint lookup to steer what created that artifact

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[Tomáš Bohuněk]

Thank you a lot guys. My question was - what do you use for this type of deployment - build from each feature branch.