“It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change.” — Charles Darwin

“DevOps is a set of practice that seeks to reduce the gap between software development and software operation.”

Use Cloud and DevOps to build immutable infrastructure by agile development using collaborative open source tools:
-Terraform or Cloud Formation for infrastructure provisioning and scaling.
-Packer for building server images or containers using:
-chef cookbooks, puppet modules or ansible playbooks to build servers.