Software Development Life Cycle (SDLC): Definition & Its Role In DevSecOps

Software development is a complex process that requires careful planning, execution, and maintenance. The Software Development Life Cycle (SDLC) is a methodology that outlines the stages of software development, from planning and requirements gathering to deployment and maintenance. This approach ensures that software is developed and released with high quality and meets user requirements.
Phases of SDLC
The following are the six phases of the SDLC:
Planning and Requirements Gathering
This phase involves identifying the software requirements and creating a plan to meet those requirements. It includes defining the project scope, creating a budget, and identifying project risks.
Design
This phase involves creating a design for the software based on the requirements gathered in the previous phase. It includes creating a functional specification document, designing the user interface, and creating a database schema.
Development
This phase involves coding the software based on the design specifications. It includes creating the software modules, integrating the modules, and testing the software code.
Testing
This phase involves testing the software to ensure that it meets the requirements and is free of defects. It includes unit testing, integration testing, system testing, and user acceptance testing.
Deployment
This phase involves deploying the software to the production environment. It includes installing the software, configuring it, and training end-users.
Maintenance
This phase involves maintaining the software to ensure that it continues to meet the user's requirements. It includes fixing defects, adding new features, and making modifications based on user feedback.
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