Building Micro-Frontends

Chapter 9. From Monolith to Micro-Frontends: A Case Study

Let’s say that in the last few weeks, you’ve researched and reviewed articles, books, and case studies and completed several proofs of concept. You’ve spoken with your managers to find the best people for the project, and you’ve even prepared a presentation for the CTO explaining the benefits you can get from introducing micro-frontends in your platform. At last, you’ve received confirmation that you have been granted the resources to prepare a plan and start migrating your legacy platform to micro-frontends. Great job! It’s been a long few weeks, and you’ve done an amazing job, but this is only the start of a large project.

Next, you will need to prepare an overall strategy, one that’s not too detailed but not too loose. Too detailed, and you’ll spend months just trying to nail everything down. Too loose, and you won’t have enough guidance. You need enough of a strategy to get started and a North Star to follow during the journey whenever you discover—and, trust me, you will—new challenges and details you didn’t think about until that point. Meanwhile, you also have a platform to maintain in production, which the product team would like to evolve because the replatforming to micro-frontends shouldn’t block the business. The situation is not the simplest ever, but you can mitigate these challenges and find the right trade-off to make everyone happy and the business successful while the tech teams are migrating to the new ...