An connects the outbound port to an actual database:
What (e.g., PostgreSQL, Kafka, RabbitMQ) will your app connect to? An connects the outbound port to an actual
To help apply this pattern to your specific project, tell me: What (e.g., Spring Boot, Quarkus) are you using? tell me: What (e.g.
: Ports are contracts or APIs that define how the outside world can interact with the core. They are interfaces that describe what the application can do. There are two types: An connects the outbound port to an actual
Minor, data-entry applications become over-engineered with this setup. Why Portability Matters for Enterprise Java
: Ports define how the outside communicates with the inside. Visualizing the Structure