Get a decent source code management system like Github, Gitlab or Bitbucket etc. Every one uses the same code and keeps upto date with base line. this reduces the merge conflict issues. Don’t put every thing in SCM but everything you need to do a build should be in there including: test scripts, properties files, database schema, install scripts, and third party libraries

This post will explain how to deploy rails app on Heroku using Razorops CI/CD Deploying to Heroku was super easy as it happens with just a git push, with Razorops you can add CI/CD support to your Heroku app.

“With Docker, developers can build any app in any language using any toolchain. “Dockerized” apps are completely portable and can run anywhere - colleagues’ OS X and Windows laptops, QA servers running Ubuntu in the cloud, and production data center VMs running Red Hat.