OpenAPI 3.0 Documentation using springdoc

Link to ADR(Architecture Decision Record) : Swagger using springdoc-openapi

OpenAPI 3.0 related changes

• upgraded to latest springdoc openapi latest version 1.6.14
• used @OpenAPIDefinition annotation to populate OpenAPI Object fields [info, tags, servers, security]
• Documented the below API's with OpenAPI 3.0 Annotations
  • PubSubEndpoint API
  • Health Checks API
  • Info API
• Added the standard HTTP Response(4xx, 5x****x) for API Responses
• Custom Path for
  • Swagger UI: https://host/context-path/swagger (will redirect to https://host/context-path/swagger-ui/index.html)
  • api-docs (JSON) : https://host/context-path/api-docs
  • api-docs (YAML) : https://host/context-path/api-docs.yaml
• Azure Swagger GLAB(for Reference)
  • Swagger UI: https://osdu-glab.msft-osdu-test.org/api/notification/v1/swagger (will redirect to https://osdu-glab.msft-osdu-test.org/api/notification/v1/swagger-ui/index.html)
  • api-docs (JSON) : https://osdu-glab.msft-osdu-test.org/api/notification/v1/api-docs
  • api-docs (YAML) :https://osdu-glab.msft-osdu-test.org/api/notification/v1/api-docs.yaml

Other Changes

• Configurable descriptions managed in swagger.properties
• Deleted 'HomeController'
• Marked the 'GlobalErrorController' as 'Hidden' for documentation
• Updated Readme for swagger related information

References

• https://springdoc.org/faq.html#_can_i_use_spring_property_with_swagger_annotations
• https://springdoc.org/migrating-from-springfox.html