What are DevOps Course and DevOps Lifecycle?

DevOps is a new way of working that improves value delivery for the customer and enables benefits for both development and operations

Definition: DevOps is a new approach to optimize and manage end-to-end service delivery and operations. It applies a set of principles to transform the entire software delivery lifecycle to introduce new practices enabled by technology

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Software Delivery Lifecycle

New DevOps practices:

• Continuous Integration
• Continuous Testing
• Continuous Delivery
• Continuous Operations

DevOps principles

• Culture of shared responsibility and collaboration
• End-to-end ownership of services
• Multi-disciplinary teams
• Incremental value delivery
• Flow optimization in the delivery process
• Automate (almost) everything
• Measurement of everything
• Continuous improvement

Benefits:

• Increases the frequency and quality of deployments and releases
• Improves innovation and risk-taking
• Realizes faster time to market
• Improves solution quality and operational reliability
• Improves the Mean Time to Recover (MTTR)

The History of DevOps

DevOps is becoming the norm in software delivery and is increasingly being adopted & matured across enterprises, becoming the new best practice

DevOps practices

DevOps practices apply continuous automation cycles throughout software development and operations processes

Why do we need DevOps?

Traditional function separation for Development and Operations:

Prior to DevOps change release frequency was low, Development and Operations worked separately to serve business demands, having completely opposite mindsets

DevOps unifies the mindset of Development and Operations:

Today business wants to release on demand. With DevOps, both functions continuously collaborate to align business demands within the software delivery lifecycle

Where is DevOps applicable?

Indicators for DevOps Applicability:

Several indicators help to determine if DevOps is applicable for your organization

What is needed for DevOps to work?

DevOps dimensions

The DevOps operating model is structured along with People, Process, and Technology, each dimension is necessary for successful DevOps

DevOps Organization & Culture

The principles of the DevOps way of working have extensive implications on the organization structure, as well as on the culture of the workforce

DevOps principles are the starting point for an organization structure

Based on DevOps principles, an organization allocates resources by service instead of functions to enable end-to-end ownership and increase agility within teams

Key DevOps roles and responsibilities

Several key roles should be represented in a cross-functional DevOps team; a team member with a T-shaped profile can fulfill more than one role

Different team topologies

No one-size-fits-all approach, DevOps can be implemented in many different organizational and team setups

The mindset of a DevOps team member

DevOps team members foster certain cultural aspects contributing to the end-to-end ownership of services

Factors influencing DevOps organization design

DevOps theory doesn’t always apply to practice, client specific factors need to be taken into account for an applicable and effective DevOps organization design

The DevOps model is significantly different from the traditional IT model:

DevOps integrates the application lifecycle into an end-to-end, iterative process

DevOps leverages technologies to automate the software delivery process:

While extending agile, DevOps optimizes the software delivery process by leveraging CI/CD which automatically promotes the developer’s source code to operational solutions

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