90DaysOfDevOps Challenge - Day 1 - DevOps Introduction by Prashant Chaturvedi

#devops #90daysofdevops #aws #cloud

What is DevOps?

As we can see, DevOps is made of two words Dev and Ops, where Dev stands for "Development" and Ops Stands for "Operations".

DevOps: Bridging the Gap Between Development and Operations Teams using open source build tools.

DevOps symbol is looks line infinity loop which represents constant activity and improved efficiency.

Key Benefits of DevOps:

• Enhanced Speed and Agility: By automating manual tasks and integrating development and operations, DevOps enables teams to deliver software faster and adapt to changing requirements more effectively.
• Improved Software Quality: Continuous integration and testing practices embedded within DevOps help identify and resolve issues early in the development cycle, leading to higher-quality software releases.
• Stronger Collaboration: DevOps fosters a culture of shared responsibility and open communication, promoting better collaboration between development and operations teams.
• Reduced Costs: Automating tasks, streamlining processes, and minimizing errors contribute to significant cost reductions in software development and delivery.

Core Principles of DevOps:

• Continuous Integration: Frequent merging of code changes into a central repository allows for early detection and resolution of potential issues.
• Continuous Delivery: Automating the software build, test, and deployment process enables faster and more reliable delivery cycles.
• Continuous Feedback: Continuously gathering feedback from users and operations teams throughout the development cycle ensures that software meets evolving needs.
• Infrastructure as Code: Treating infrastructure as code, similar to how software is treated, facilitates automation and management of infrastructure resources.

What is Automation, Scaling, Infrastructure?

Automation is the practice of using tools and scripts to automate repetitive tasks in the software development life cycle (SDLC). This can include tasks such as:

• Provisioning and configuring infrastructure
• Building and testing code
• Deploying applications
• Monitoring and scaling applications

Automation helps to improve the speed, efficiency, and reliability of the SDLC. It also frees up developers and operations teams to focus on more strategic tasks.

Scaling

Scaling is the ability of a system to handle increased load and traffic. In DevOps, scaling is important for ensuring that applications can meet the needs of a growing user base. There are two main types of scaling:

• Horizontal scaling: This involves adding more instances of an application or service to distribute the load.
• Vertical scaling: This involves increasing the resources (such as CPU and RAM) of a single instance of an application or service.

Infrastructure

Infrastructure is the hardware and software that is used to run applications and services. In DevOps, infrastructure is typically managed using infrastructure as code (IaC). IaC is a practice of defining infrastructure in code, which makes it easier to provision, configure, and manage infrastructure in a repeatable and reliable way.

How these three concepts work together

Automation, scaling, and infrastructure are all essential components of DevOps. By automating tasks, scaling applications, and managing infrastructure with IaC, DevOps teams can deliver software faster, with better quality, and at scale.

Popular DevOps Tools:

• Git: A distributed version control system that tracks code changes efficiently.
• Jenkins: An open-source automation server for continuous integration and continuous delivery (CI/CD).
• Docker: A containerization platform that packages and deploys applications in standardized units.
• Kubernetes: Orchestrates containerized applications across clusters, scaling and managing them effectively.
• Grafana: Data visualization tool for creating dashboards and monitoring application performance.
• Ansible: Can also be used for IaC with modules for cloud providers and infrastructure resources.

Ansible: An automation tool used for infrastructure provisioning, configuration management, and application deployment.

The DevOps Roadmap: [https://roadmap.sh/devops]

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