Explore a practical approach to overcoming common barriers in open-source contributions through containerization. Learn how Docker can simplify the process of setting up development environments for projects with specific requirements, allowing contributors to bypass conflicts and OS limitations. Follow a real-world example of contributing to Angular, addressing issues like CRLF vs. LF line endings and Node.js version conflicts. Discover techniques for containerizing JavaScript project development, including managing npm modules, syncing code between host and container, building, and debugging. Gain insights into creating a Docker image that serves as a foundation for contributors, making open-source participation more accessible and efficient.