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What is Trunk-Based Development?
Trunk-Based Development (TBD) is a software development practice where all developers work on the same codebase using a single branch. Instead of creating separate branches for each feature or bug fix, the code is frequently merged into a single branch - the trunk. This promotes collaboration and reduces the time taken for development.
What are the Benefits of Trunk-Based Development?
TBD brings a lot of benefits that help improve code quality, development velocity and collaboration. Some of the key benefits are:
1. Faster Integration: By merging code into a single branch, there are fewer conflicts when the team meets to integrate individual changes.
2. Continuous Delivery: Trunk-Based Development facilitates continuous delivery by ensuring that every commit made to the repository is production-ready.
3. Reduction in Technical Debt: Since TBD promotes regular integration and collaboration, it reduces the likelihood of large, complex changes that result in technical debt.
4. Better Testing: By having developers work on the same codebase, they can leverage the same test suite. This results in more effective and efficient testing.
5. Improved Collaboration: Trunk-Based Development promotes better collaboration, enhancing developers’ sense of teamwork and breaking down silos that can impede shipping.
What are the Best Practices?
While TBD has numerous benefits, it's essential to keep up with the correct best practices:
1. Implement Continuous Integration: To fully realize the benefits of Trunk-Based Development, it's essential to automate testing and deployment via continuous integration.
2. Keep the Codebase Clean: Developers should regularly commit clean, maintainable code to the trunk to prevent code quality issues later on.
3. Frequent Code Reviews: Code reviews are an essential part of TBD. Regular review of pull requests helps catch errors and improves code quality.
4. Deploy on Small Changes: To prevent the likelihood of bugs, it's best to deploy changes in small, focused chunks.
5. Communicate and Coordinate: To maintain collaboration, developers should communicate regularly to discuss changes, bugs, timelines and other issues that may arise.
Conclusion
Trunk-Based Development offers numerous benefits that help improve development velocity, code quality, and collaboration. Implementing the right best practices is essential to getting the most out of this development practice.
