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A rolling update is a deployment strategy that incrementally updates a service or application to newer versions without downtime, ensuring continuous availability during the update process. It systematically replaces old instances with new ones, verifying their performance and health at each step to maintain stability and minimize service disruption.
Service orchestration is the automated coordination and management of complex services and workflows to ensure seamless execution across different environments. It plays a critical role in modern IT infrastructure by enabling efficient resource allocation, reducing operational complexity, and enhancing scalability and flexibility of services.
Load balancing is a method used to distribute network or application traffic across multiple servers to ensure no single server becomes overwhelmed, thereby improving responsiveness and availability. It is critical for optimizing resource use, maximizing throughput, and minimizing response time in distributed computing environments.
Version control is a system that manages changes to a set of files or codebase over time, allowing multiple users to collaborate efficiently. It enables tracking of revisions, facilitates branching and merging, and provides a historical record of changes, which is crucial for debugging and maintaining project integrity.
Infrastructure as Code (IaC) is a modern IT practice where infrastructure is provisioned and managed using machine-readable definition files, rather than physical hardware configuration or interactive configuration tools. This approach enables automation, consistency, and scalability in deploying and managing infrastructure, reducing human error and accelerating the development lifecycle.
Blue-Green Deployment is a strategy for releasing software updates with zero downtime and improved reliability by running two identical environments: one live (blue) and one standby (green). When the new version is verified on the standby environment, traffic is smoothly switched from the blue environment to the green, minimizing risk and ensuring a seamless user experience.
A canary release is a software deployment strategy that allows developers to release changes to a small subset of users to gauge feedback and detect issues before a full-scale rollout. This approach minimizes risks associated with software changes by closely monitoring the impact on a limited audience and making adjustments as necessary before broader deployment.
Microservices architecture is a design approach where an application is composed of small, independent services that communicate over a network. This architecture enhances scalability and flexibility, enabling faster deployment and easier maintenance of complex applications.
Kubernetes Deployment is a resource object in Kubernetes that provides declarative updates to applications, managing the desired state and ensuring running instances match specified configurations. It handles rolling updates, scaling, and rollback capabilities to facilitate reliable and efficient application management across distributed clusters.
Deployment strategies in software development determine how new versions of an application are released to users, balancing the need for new features with system stability and user experience. These strategies must consider factors like rollback mechanisms, downtime, and user feedback to ensure a smooth transition and quick recovery from potential issues.
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