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DevOps-Lifecycle-The-Backbone-of-Agile-IT-Operations.pptx

Discover the key phases of the DevOps lifecycle and how they support agile IT operations through continuous integration, delivery, and improvement.

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DevOps-Lifecycle-The-Backbone-of-Agile-IT-Operations.pptx

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  1. DevOps Lifecycle: The Backbone of Agile IT Operations

  2. What is DevOps? DevOps is a culture shift integrating software development with IT operations into a single, continuous process. It's not just tools, but a collaborative approach for faster, more stable software delivery. Faster Release Cycles Fewer Bugs Better Collaboration Continuous Feedback

  3. The DevOps Lifecycle: An Infinite Loop The DevOps lifecycle is an infinite loop emphasizing continuous, iterative software delivery. It connects phases from development to delivery and feedback, ensuring a self-sustaining cycle. Plan Develop & Build Release & Deploy & Monitor Test

  4. Phase 1: Planning Define what will be built, why it's important, who will do the work, and how success will be measured. • Agile practices: Scrum, Kanban • Decompose work into user stories • Prioritize work & align with business goals Cross-functional collaboration ensures clarity and alignment across teams. Common Tools: • Jira • Trello • Azure Boards

  5. Phases 2 & 3: Develop & Build Develop Build Developers write, commit, and share code frequently in short iterations. Code is compiled into deployable packages through 100% automated processes. • Version control (Git) • Code compilation • Code Reviews • Dependency resolution • Feature Branching • Packaging • Containerization (Docker) • Build failure notifications Deployment and monitoring are considered early for easier management and scalability. This phase initiates Continuous Integration (CI), ensuring frequent integration and testing.

  6. Phases 4 & 5: Test & Release Test Release Testing is embedded throughout the DevOps process, with automation as key. DevOps enables frequent, predictable, and low-risk releases, unlike traditional models. • Unit, Integration, Functional testing • Canary releases • Performance & security testing • Feature flags • Blue-green deployments Automated testing after each integration reduces production bugs and mitigates risks. Speedier updates lead to happier users.

  7. Phases 6 & 7: Deploy & Monitor Deploy Operate & Monitor Code is deployed with automation, ensuring reproducible deployments across environments. Continuous monitoring of applications in production to ensure optimal performance. • Infrastructure as Code (IaC) • Track uptime, error rates, response times • No accidental config errors • Faster issue detection & incident reaction • Quick environment provisioning • Data for future planning Crucial for Continuous Delivery/Deployment with minimal manual intervention. Insights feed back into planning, completing the DevOps loop.

  8. Why DevOps Matters DevOps provides significant business and technical benefits, focusing on sustainability and continuous improvement. Speed to Market Software Quality Enhanced Collaboration Faster updates through automation and reduced manual handoffs. Frequent testing and shorter feedback loops reduce bugs. Unites siloed teams, fostering shared ownership and aligned goals. Happier Customers Cost Reduction Faster, bug-free updates lead to greater satisfaction and loyalty. Less downtime, manual intervention, and efficient resource use.

  9. DevOps + Agile: The Perfect Match Agile provides the mindset, while DevOps is the engine. Agile's iterative development and continuous improvement principles are embraced throughout the entire DevOps software delivery cycle. • Accelerate innovation • Reduce risk • Support rapid response to change Final Thoughts The DevOps lifecycle is a working model for modern teams to build, ship, and run software, enabling quick reactions to digital transformation.

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