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If you’re a developer, DevOps is an area you can’t ignore. It’s a crucial part of the software development process, and understanding it can significantly boost your career. Contrary to common misconceptions, DevOps isn’t meant to complicate your life—it’s designed to make it easier.

Note: This tutorial aims to make you more confident in DevOps concepts. It’s not a comprehensive guide to becoming a DevOps engineer.

What is DevOps?

DevOps is a fusion of software development (Dev) and IT operations (Ops). It’s a set of practices, tools, and a cultural philosophy that automate and integrate processes between software development and IT teams.

For a visual explanation, check out this DevOps explanation video.

DevOps engineers play a key role in unifying code, application maintenance, and management.

DevSecOps: Security in DevOps

DevSecOps stands for Development, Security, and Operations. It emphasizes thinking about application and infrastructure security from the start.

Learn more about DevSecOps in this explanatory video.

Site Reliability Engineering (SRE)

SRE is a discipline that incorporates aspects of software engineering and applies them to infrastructure and operations problems.

To understand the difference between DevOps and SRE, watch this comparison video.

Key DevOps Concepts

Configuration Management

Configuration Management is about defining, controlling, releasing, changing, documenting, and reporting the configuration of items in a system. It’s a critical DevOps process that enables proper building, testing, maintenance, and support of a system.

CI/CD: Continuous Integration and Continuous Delivery/Deployment

CI/CD introduces ongoing automation and continuous monitoring throughout the lifecycle of apps, from integration and testing to delivery and deployment.

• CI (Continuous Integration): An automation process where code changes are regularly built, tested, and merged to a shared repository.
• CD (Continuous Delivery/Deployment): Automates the delivery of applications to selected infrastructure environments.

Learn more about CI/CD pipelines here.

Check out this comprehensive guide here

Learn practical implementation here

Infrastructure as Code (IaC)

IaC is the practice of managing and provisioning infrastructure through code instead of manual processes. It makes it easier to edit and distribute configurations.

Watch this video for a deeper understanding of IaC.

DevOps Tools and Technologies

Containerization and Docker

Containerization involves packaging software code with all its necessary components for isolated execution. Docker is a popular platform for creating, deploying, and running applications using containers.

Learn more about Docker in this comprehensive tutorial.

Learn how to build and push a docker image to ecr here

Kubernetes (K8s)

Kubernetes is an open-source system for automating deployment, scaling, and management of containerized applications.

Get started with Kubernetes through this crash course.

CICD Pipeline to deploy Kubernetes Applications using Terraform, EKS, and Jenkins

Terraform

Terraform is an open-source Infrastructure as Code (IaC) tool that can provision resources in the cloud.

For a complete Terraform guide, check out this course.

DevOps Best Practices

1. Implement CI/CD pipelines
2. Use version control for everything
3. Automate testing and deployment
4. Monitor and log everything
5. Foster a culture of collaboration and shared responsibility

By understanding these DevOps concepts and tools, you’ll be well-equipped to contribute to modern software development processes. Remember, DevOps is about continuous improvement, so keep learning and adapting!