A bubble context supports incremental modernization: a bounded context gets independently refactored code while initially sharing the database schema with legacy models. This prioritizes lower-risk code improvement before database decoupling. section 12.5
A practical evolution follows these moves:
- Create the new bounded context and validate it with a focused business capability. section 12.5
- Keep legacy functionality operational while refactoring code into new bounded contexts. section 12.5
- Use an anticorruption layer to translate domain events into updates for the old model. section 12.5
- Move toward an autonomous bubble with its own persistence schema when shared data becomes the remaining coupling. section 12.5
Gigs platform modernization
A new job-drafting and job-fulfillment context raised a Job Published event. The anticorruption layer intercepted it and translated it into a legacy job, allowing gradual migration and A/B testing while the old model remained operational. section 12.5
Use the implementation figure to inspect how the new context and legacy models coexist around the shared schema. section 12.5
