https://remigiuszzalewski.com/blog Blog about .NET/C#/Angular/React/Azure en-us remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) Fri, 07 Aug 2026 00:00:00 GMT https://remigiuszzalewski.com/blog/fluentvalidation-mediatr-pipeline-behavior https://remigiuszzalewski.com/blog/fluentvalidation-mediatr-pipeline-behavior Put validation in a MediatR pipeline behavior so every command is checked before its handler runs - no validation calls in handlers, no validation logic in endpoints. Fri, 07 Aug 2026 00:00:00 GMT remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) .netcsharpaspnetcoremediatrfluentvalidationclean-architecture https://remigiuszzalewski.com/blog/generic-repository-pattern-ef-core-clean-architecture https://remigiuszzalewski.com/blog/generic-repository-pattern-ef-core-clean-architecture Build one generic repository that handles CRUD for every entity, extend it per-aggregate for the queries that do not fit, and wire it into a Clean Architecture solution with MediatR and PostgreSQL. Mon, 10 Aug 2026 00:00:00 GMT remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) .netcsharpentity-frameworkefcoreclean-architecturerepository-patternmediatr