The abstraction of the connection to the database and the injection of dependencies organizes the code and brings many benefits.
Where is the database injected?
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In routes: The connection is injected into the controllers during initialization.
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In repositories: Receive the connection to perform operations on the database.
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No services: Use repositories to interact with the database.
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In controllers: Receive services already configured with the database.
Advantages:
- Connection decoupling.
- Code organization.
- Ease of changing databases.
- Simplicity in testing.
- Easy maintenance.
- Centralization of connection.
- System-wide reuse.
Source code:
- https://github.com/ortizdavid/golang-modular-software
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