Let’s delve into the fascinating world of "DevOps".

-> DevOps is a term that combines the words “Development” and “Operations.”

DevOps is a set of practices, concepts, and a cultural philosophy that automates and integrates the processes between software development and IT teams.

The DevOps movement started around 2007 when the software development and IT operations communities raised concerns about the traditional software development model, where developers who wrote code worked apart from operations who deployed and supported the code. The term DevOps reflects the process of integrating these disciplines i.e. "Developments and operations" into one continuous process.

-> Why do we need DevOps?

Before the year 2000, most software development followed the waterfall methodology. This linear approach involved months of developing extensive new code, followed by integration, testing, and deployment. These processes take much time and effort but are not able to provide the required output. Agile methodologies emerged, emphasizing iterative updates and smaller code changes. Continuous Integration (CI) and Continuous Delivery (CD) became key practices.

DevOps builds on this evolution, transforming the “big bang” approach into a series of smaller, more frequent updates. It compartmentalizes risks and focuses on rapid delivery.

-> Who is a DevOps Engineer:

A DevOps engineer has a unique combination of skills and expertise that enables collaboration, innovation, and cultural shifts within an organization. ?

-> Roadmap!

Well! Becoming a DevOps engineer involves mastering a combination of skills, tools, and practices. Here’s a roadmap to guide you on your journey:

1. Solid Foundation in Software Development:Learn a programming language (e.g., Python, Ruby, or JavaScript). Understand version control systems (e.g., Git). Familiarize yourself with editors like Vim, Nano, or Emacs.
2. Key Tools and Technologies of DevOps:Gain proficiency in: Bash scripting Process monitoring Networking tools/GitHub/GitLab/Bitbucket Web servers (e.g., Apache, Nginx, Tomcat) Containers (e.g., Docker, LXC) Infrastructure as Code (e.g., Terraform, AWS CDK, Pulu mi) Configuration management (e.g., Ansible, Chef, Puppet)
3. Hands-On Experience with DevOps Practices:Work with: Container orchestration (e.g., Kubernetes, Docker Swarm) Infrastructure monitoring (e.g., Grafana, Datadog, Prometheus) Cloud providers (e.g., AWS, Google Cloud, Azure) CI/CD tools (e.g., Jenkins, GitLab CI, Travis CI) Secret management (e.g., Vault, Sealed Secrets, SOPS)
4. Obtain DevOps Certifications:Consider certifications like AWS Certified DevOps Engineer, Certified Kubernetes Administrator (CKA), or Google Cloud Professional DevOps Engineer.

-> DevOps Lifecycle:

The DevOps lifecycle (also known as the continuous delivery pipeline) consists of iterative, automated development processes.

These workflows are executed within a larger, automated development lifecycle designed for rapid, high-quality software delivery.

-> Conclusion:

In summary, DevOps is all about meeting users’ demands for frequent, innovative features and uninterrupted performance. It’s a dynamic field that continues to evolve, enabling organizations to deliver products quickly and continuously.