Docker helps reduce technical debt by providing consistent, portable, and isolated environments that simplify development and deployment. By bundling applications and dependencies in containers, Docker eliminates environment-specific bugs, accelerates testing, and streamlines builds. Tools like Testcontainers further improve test reliability. Docker’s portability supports seamless movement across clouds and data centers, reducing patchwork code. Its support for microservices promotes flexible architectures, allowing faster, safer updates. This approach minimizes rework, cuts costs, and frees developers to focus on innovation instead of configuration issues and outdated systems.

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