DevSecOps represents a paradigm shift in software development, emphasizing the integration of security into every stage of the development lifecycle to ensure that all participants are accountable for application security. This approach advocates for "shifting security left," meaning security checks are conducted earlier in the process, such as during development rather than at deployment. It addresses the complexities of managing software dependencies by encouraging developers to declare dependencies in code, thus enabling timely maintenance and patching. The concept of 'golden' packages is proposed, where centrally maintained and security-validated artifacts are provided to developers, streamlining updates and ensuring consistency across teams. Automating downstream processes, including build, testing, and deployment, facilitates the seamless transition of changes from development to production, allowing developers to focus on writing and fixing code without needing to master operational tools. Ultimately, DevSecOps enhances the security of the software supply chain by improving dependency management and leveraging a unified CI/CD pipeline to ensure rapid, secure production deployment.