DevOps is a way of collaborating between development teams and production operators. It reduces frustration between these groups by enabling common standards, unloading repetitive and tedious tasks to automation and accelerating the time-to-production in a more stable way.

Goals

• Automate the release to production in a quick, reliable and repeatable way
• Standardize codes and infrastructures in order to facilite communication between teams and team members
• Increase quality by testing applications and infrastructures before production

Targeted audience

• Developers
• Sysadmins
• Networkadmins
• Software architects
• Software agile teams

Requirements

• Basic knowledge of programmation
• Basic knowledge of system/network administration

Special features of this formation

• Everything opensource: every tool we use is opensource. So it’s easier to replicate what you learn directly into your own project
• Quick theory-practice cycle: each theoretical point is linked to a practical exercise. You learn faster when you put directly into practice what has just been taught

The formation itself

Why DevOps ?

Definition of the problematic. The story of DevOps and the problems it tries to solve

• The war between developers and production operators
• The Agile methodology but in practice (User stories and tests)

Modelize your dev !

How to correctly setup a dev environment to increase dev-prod parity and not have to redo the work again

• Vagrant and Virtualbox to manage repeatable servers setups on your own computer
• Docker and other containers tools to manage your apps inside these servers

Manage your code !

Basics of git to learn how to manage a codebase efficiently without getting lost in it

• Git clone, pull/push, branch, merge and some git flows
• Discovery of Gitlab
• Discovery of Gitea

Everything artifacts !

The way of correctly packaging your code and infrastructure for a reliable and secure production

• How to build an app with Docker
• How to create an Ansible playbook to deploy your app

Automate everything !

How to automate your tests, packaging and even your deploy to production

• The principles of CI
• Create a CI with Jenkins
• Create a CI with Gitlab

Test everything !

Basics on how to write tests for infrastructure to find bugs before reaching production

• Integration tests with Bats and Cucumber
• Compliance tests with Inspec
• A glimpse of DevSecOps

Deploy it !

How to correctly automate a deploy to avoid breaking production

• SemVer syntax to find your deploy history quickly
• Blue/Green, Canary, rolling deploy
• Basics of backups

Monitor it !

How to see what happens in production

• Monitor with Prometheus
• Log with EFK

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