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DevOps is a software development methodology that accelerates the delivery of higher-quality applications and services by combining and automating the work of software development and IT operations teams.
Feb 15, 2024 · Read this guide if you are starting web development and haven't used the built-in browser tools yet. You will learn what DevTools is, who it's for, how to open it, how its UI is organized, what tools exist, and what the main user workflows are.
- Overview
- DevOps and the application lifecycle
- DevOps goals and benefits
- Adopt a DevOps culture
- Implement DevOps practices
- Planning
- Development
- Deliver
- Operations
- Next steps
DevOps combines development (Dev) and operations (Ops) to unite people, process, and technology in application planning, development, delivery, and operations. DevOps enables coordination and collaboration between formerly siloed roles like development, IT operations, quality engineering, and security.
Teams adopt DevOps culture, practices, and tools to increase confidence in the applications they build, respond better to customer needs, and achieve business goals faster. DevOps helps teams continually provide value to customers by producing better, more reliable products.
DevOps influences the application lifecycle throughout its planning, development, delivery, and operations phases. Each phase relies on the other phases, and the phases aren't role-specific. A DevOps culture involves all roles in each phase to some extent.
The following diagram illustrates the phases of the DevOps application lifestyle:
Accelerate time to market
Through increased efficiencies, improved team collaboration, automation tools, and continuous deployment--teams are able to rapidly reduce the time from product inception to market launch.
Adapt to the market and competition
A DevOps culture demands teams have a customer-first focus. By marrying agility, team collaboration, and focus on the customer experience, teams can continuously deliver value to their customers and increase their competitiveness in the marketplace.
Maintain system stability and reliability
By adopting continuous improvement practices, teams are able to build in increased stability and reliability of the products and services they deploy. These practices help reduce failures and risk.
To fully implement DevOps, you must adopt a DevOps culture. Cultivating a DevOps culture requires deep changes in the way people work and collaborate. When organizations commit to a DevOps culture, they create an environment for high-performing teams to evolve. While adopting DevOps practices automates and optimizes processes through technology, without a shift to a DevOps culture within the organization and its people, you won't gain the full benefits of DevOps.
The following image captures key aspects of Microsoft's live site culture.
The following practices are key components of a DevOps culture:
•Collaboration, visibility, and alignment: A hallmark of a healthy DevOps culture is collaboration between teams. Collaboration starts with visibility. Development, IT, and other teams should share their DevOps processes, priorities, and concerns with each other. By planning their work together, they are better positioned to align on goals and measures of success as they relate to the business.
•Shifts in scope and accountability: As teams align, they take ownership and become involved in other lifecycle phases—not just the ones central to their roles. For example, developers become accountable not only to the innovation and quality established in the develop phase, but also to the performance and stability their changes bring in the operate phase. At the same time, IT operators are sure to include governance, security, and compliance in the plan and develop phase.
•Shorter release cycles: DevOps teams remain agile by releasing software in short cycles. Shorter release cycles make planning and risk management easier since progress is incremental, which also reduces the impact on system stability. Shortening the release cycle also allows organizations to adapt and react to evolving customer needs and competitive pressure.
You implement DevOps by following DevOps practices (described in the sections that follow) throughout the application lifecycle. Some of these practices help accelerate, automate, and improve a specific phase. Others span several phases, helping teams create seamless processes that help improve productivity.
In the planning phase, DevOps teams ideate, define, and describe the features and capabilities of the applications and systems they plan to build. Teams track task progress at low and high levels of granularity, from single products to multiple product portfolios. Teams use the following DevOps practices to plan with agility and visibility:
•Create backlogs.
•Track bugs.
•Manage Agile software development with Scrum.
•Use Kanban boards.
•Visualize progress with dashboards.
The development phase includes all aspects of developing software code. In this phase, DevOps teams do the following tasks:
•Select a development environment.
•Write, test, review, and integrate the code.
•Build the code into artifacts to deploy into various environments.
•Use version control, usually Git, to collaborate on code and work in parallel.
To innovate rapidly without sacrificing quality, stability, and productivity, DevOps teams:
Delivery is the process of consistently and reliably deploying applications into production environments, ideally via continuous delivery (CD).
In the delivery phase, DevOps teams:
•Define a release management process with clear manual approval stages.
•Set automated gates to move applications between stages until final release to customers.
•Automate delivery processes to make them scalable, repeatable, controlled, and well-tested.
Delivery also includes deploying and configuring the delivery environment's foundational infrastructure. DevOps teams use technologies like infrastructure as code (IaC), containers, and microservices to deliver fully governed infrastructure environments.
The operations phase involves maintaining, monitoring, and troubleshooting applications in production environments, including hybrid or public clouds like Azure. DevOps teams aim for system reliability, high availability, strong security, and zero downtime.
Automated delivery and safe deployment practices help teams identify and mitigate issues quickly when they occur. Maintaining vigilance requires rich telemetry, actionable alerting, and full visibility into applications and underlying systems.
How does DevOps work? DevOps explained. DevOps improves software development pipelines by automating manual processes. This makes it easier to get code from development into production more quickly while maintaining code quality.
Jun 8, 2023 · DevEx refers to the systems, technology, process, and culture that influence the effectiveness of software development. It looks at all components of a developer’s ecosystem—from environment to workflows to tools—and asks how they are contributing to developer productivity, satisfaction, and operational impact.
Jan 23, 2024 · DevOps is a blend of practices, and tools, that help organizations grow in terms of delivering applications and services efficiently. It helps to improve the products at a faster speed than using traditional software development and infrastructure management processes.
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