
Jammi Heinonen enhanced the developer experience for the City-of-Helsinki/notification-service-api repository by delivering a comprehensive OpenAPI documentation package for the Notification Service API. Jammi authored a detailed openapi.yaml file, defining endpoints, request and response schemas, and security requirements, all written in YAML and Markdown. To streamline local development and validation, Jammi introduced Docker configurations for running Swagger UI and an OpenAPI validator, enabling developers to preview and verify API specifications efficiently. The work also included cleaning up the project’s README by removing outdated TODO items, resulting in clearer, more maintainable documentation and a smoother integration process for downstream users.

This month focused on strengthening developer experience and documentation for the Notification Service API in City-of-Helsinki/notification-service-api. The primary deliverable was a comprehensive OpenAPI-based documentation package that enables easier integration and validation for downstream services and third-party developers. Local development and testing were streamlined with Dockerized Swagger UI and an OpenAPI validator. Documentation cleanliness was improved by removing outdated TODO items from the README.
This month focused on strengthening developer experience and documentation for the Notification Service API in City-of-Helsinki/notification-service-api. The primary deliverable was a comprehensive OpenAPI-based documentation package that enables easier integration and validation for downstream services and third-party developers. Local development and testing were streamlined with Dockerized Swagger UI and an OpenAPI validator. Documentation cleanliness was improved by removing outdated TODO items from the README.
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