Docker is a revolutionary tool that helps automate deployments. It uses platform-level container technology to make it easy to compose isolated software components in a reproducible way.
The official website of Docker is as follows: https://www.docker.com/
Lots of infrastructure-related tools, ranging from self-hosted PaaS applications to cluster management systems, are built around the Docker ecosystem.
Your code is not working in Production? But it's working on the QA (quality analysis server)!
I am sure you have heard statements like these in your team during the deployment phase. Well no more of that, Docker everything and forget about the infrastructure of different environments, say, QA, ...