DevOps Fundamentals

What is DevOps

Is a philosophy of the efficient development, deployment and operation of the highest quality software possible.

What must not be done

• Create a team of devops, since it promotes the creation of another silo

What must be done

• Create cross functional teams, since it promotes colaboration

Tenents

• Culture
• Automation
• Measurement

Purpose

• Combine Development and Operations
• Make good software fast
• Break down silos
• Start the robotocracy 

DevOps Culture

• Belief values and behavior of a group of people
  • Culture embrace
    • Automation
      • Reduce human intervention to minimum
      • Predictability
      • Quality
    • Measurement
  • Remove silos
  • Work toward a common goal
  • Shared responsabilities
  • Colaboration culture
  • Be a blameless culture
    • Silos promotes : Blame culture
    • Lear from mistakes

Development Deployment and Operations Pipeline

Development

• Continuous Integration [Jenkins]
  • Commit [Git]
  • Build
  • Test

Deployment

• Continuous Delivery
  • Push button deployment

Operation

• Infrastructure as code
  • Chef
  • Ansible
  • Puppet