Shift Left is a practice in software development that involves integrating quality assurance and testing activities earlier in the software development lifecycle, rather than waiting until later stages. This approach aims to identify and address defects, vulnerabilities, and performance issues as early as possible, reducing the risk of costly and time-consuming fixes after deployment. By moving these activities to the "left" side of the development timeline, teams can improve overall software quality, enhance collaboration among developers, testers, and other stakeholders, and accelerate the delivery of reliable software products.
The Shift Left approach promotes proactive testing, continuous integration, and early feedback loops, fostering a culture of quality and efficiency. It encourages the use of automated testing tools, static code analysis, and peer code reviews to catch issues at the source. This method not only improves the software's robustness but also enhances the development process by enabling early detection and resolution of potential problems. Ultimately, Shift Left helps organizations deliver better software faster, ensuring higher customer satisfaction and reduced time-to-market.
References:
Codacy: Shift Left Testing Guide
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