Engineering insights, backend architecture notes, and production implementation write-ups.https://imzihad21.github.io/en-usimzihad@gmail.com (ZèD)imzihad@gmail.com (ZèD)https://imzihad21.github.io/articles/a/atomic-redis-value-replacement-without-downtime-the-temporary-key-pattern-nf2/https://imzihad21.github.io/articles/a/atomic-redis-value-replacement-without-downtime-the-temporary-key-pattern-nf2/Atomic Redis Value Replacement Without Downtime: The Temporary Key Pattern When Redis...Wed, 29 Apr 2026 17:41:50 GMTredisdotnetdistributedsystemssystemdesignAtomic Redis Value Replacement Without Downtime: The Temporary Key Patternhttps://imzihad21.github.io/articles/a/implementing-soft-delete-with-filtered-indexes-in-entity-framework-core-49ip/https://imzihad21.github.io/articles/a/implementing-soft-delete-with-filtered-indexes-in-entity-framework-core-49ip/Soft Delete with Global Query Filters and Filtered Indexes in Entity Framework Core Soft...Wed, 22 Apr 2026 16:32:18 GMTdotnetdatabasesoftdeleteefcoreImplementing Soft Delete with Filtered Indexes in Entity Framework Corehttps://imzihad21.github.io/articles/a/building-dynamic-filters-in-clean-architecture-cqrs-using-expressionbuilder-142/https://imzihad21.github.io/articles/a/building-dynamic-filters-in-clean-architecture-cqrs-using-expressionbuilder-142/Building Dynamic Filters in Clean Architecture with ExpressionBuilder Dynamic filtering...Wed, 25 Mar 2026 16:01:12 GMTdotnetcleanarchitecturegenericrepositorycqrsBuilding Dynamic Filters in Clean Architecture (CQRS) using ExpressionBuilderhttps://imzihad21.github.io/articles/a/cursor-vs-offset-pagination-in-ef-core-what-actually-works-in-production-448m/https://imzihad21.github.io/articles/a/cursor-vs-offset-pagination-in-ef-core-what-actually-works-in-production-448m/Cursor vs Offset Pagination in EF Core: What Actually Works in Production Pagination is...Thu, 19 Mar 2026 10:18:33 GMTdotnetefcorepaginationperformanceCursor vs Offset Pagination in EF Core: What Actually Works in Productionhttps://imzihad21.github.io/articles/a/understanding-effunctionslike-and-ilike-in-entity-framework-core-19k2/https://imzihad21.github.io/articles/a/understanding-effunctionslike-and-ilike-in-entity-framework-core-19k2/Understanding EF.Functions.Like and ILike in Entity Framework Core Pattern-based string...Sat, 28 Feb 2026 05:21:15 GMTdotnetefcorepostgresproductivityUnderstanding EF.Functions.Like and ILike in Entity Framework Corehttps://imzihad21.github.io/articles/a/bcrypt-vs-argon2-password-hashing-in-net-a-practical-deep-dive-54co/https://imzihad21.github.io/articles/a/bcrypt-vs-argon2-password-hashing-in-net-a-practical-deep-dive-54co/BCrypt vs Argon2 Password Hashing in .NET: A Practical Deep Dive Password storage is one...Sat, 28 Feb 2026 04:41:09 GMTdotnetbcryptargon2encryptionBCrypt vs Argon2: Password Hashing in .NET – A Practical Deep Divehttps://imzihad21.github.io/articles/a/implementing-event-driven-order-processing-with-kafka-using-kafkaflow-in-net-1m5a/https://imzihad21.github.io/articles/a/implementing-event-driven-order-processing-with-kafka-using-kafkaflow-in-net-1m5a/Implementing Event-Driven Order Processing with Kafka Using KafkaFlow in .NET In real...Fri, 30 Jan 2026 20:34:10 GMTdotnetkafkaeventdrivenpubsubImplementing Event-Driven Order Processing with Kafka using KafkaFlow in .NEThttps://imzihad21.github.io/articles/a/runtime-environment-variables-for-react-apps-with-nginx-and-docker-3p62/https://imzihad21.github.io/articles/a/runtime-environment-variables-for-react-apps-with-nginx-and-docker-3p62/Runtime Environment Variables for React Apps with Nginx and Docker React frontend env...Thu, 25 Dec 2025 12:38:37 GMTdockerreactwebdevdevopsRuntime Environment Variables for React Apps with Nginx and Dockerhttps://imzihad21.github.io/articles/a/multi-client-configuration-binding-in-net-using-the-modern-options-pattern-clj/https://imzihad21.github.io/articles/a/multi-client-configuration-binding-in-net-using-the-modern-options-pattern-clj/Named Configuration Binding in .NET Using the Modern Options Pattern When tenant/client...Sat, 29 Nov 2025 18:51:53 GMTdotnetconfigurationcsharpaspnetcoreNamed Configuration Binding in .NET Using the Modern Options Patternhttps://imzihad21.github.io/articles/a/net-9-dropped-swashbuckle-but-you-can-still-keep-swagger-ui-backed-by-openapi-50j3/https://imzihad21.github.io/articles/a/net-9-dropped-swashbuckle-but-you-can-still-keep-swagger-ui-backed-by-openapi-50j3/.NET 9 Dropped Swashbuckle Generator, but You Can Still Keep Swagger UI Backed by...Fri, 24 Oct 2025 03:23:25 GMTdotnetopenapiswaggerauthentication.NET 9 dropped Swashbuckle — but you can still keep Swagger UI backed by OpenAPIhttps://imzihad21.github.io/articles/a/jwt-with-oidc-authentication-in-distributed-systems-building-trust-at-scale-2nno/https://imzihad21.github.io/articles/a/jwt-with-oidc-authentication-in-distributed-systems-building-trust-at-scale-2nno/JWT with OIDC Authentication in Distributed Systems: Building Trust at Scale In...Wed, 17 Sep 2025 15:31:13 GMTdotnetauthenticationoidcjwtJWT with OIDC Authentication in Distributed Systems: Building Trust at Scalehttps://imzihad21.github.io/articles/a/ef-core-10s-executeupdateasync-finally-delegates-that-dont-hate-developers-kij/https://imzihad21.github.io/articles/a/ef-core-10s-executeupdateasync-finally-delegates-that-dont-hate-developers-kij/EF Core 10's ExecuteUpdateAsync Finally Uses Delegates Developers Can Actually Live...Wed, 27 Aug 2025 05:59:08 GMTdotnetcsharpefcorelambdaEF Core 10's ExecuteUpdateAsync: Finally, Delegates That Don't Hate Developershttps://imzihad21.github.io/articles/a/the-secret-to-scalability-architecting-a-high-performance-net-puppeteer-page-pool-343e/https://imzihad21.github.io/articles/a/the-secret-to-scalability-architecting-a-high-performance-net-puppeteer-page-pool-343e/The Secret to Scalability: Architecting a High-Performance .NET Puppeteer Page...Thu, 31 Jul 2025 17:39:47 GMTdotnetpuppeteerpdfgenerationchromiumThe Secret to Scalability: Architecting a High-Performance .NET Puppeteer Page Poolhttps://imzihad21.github.io/articles/a/http-server-management-in-go-graceful-shutdowns-and-error-handling-2ep0/https://imzihad21.github.io/articles/a/http-server-management-in-go-graceful-shutdowns-and-error-handling-2ep0/HTTP Server Management in Go: Graceful Shutdowns and Error Handling A production HTTP...Tue, 24 Jun 2025 04:13:23 GMTgowebdevcloudnativebackendHTTP Server Management in Go: Graceful Shutdowns and Error Handlinghttps://imzihad21.github.io/articles/a/the-truth-about-addasync-when-to-use-it-in-ef-core-and-when-not-to-3i5e/https://imzihad21.github.io/articles/a/the-truth-about-addasync-when-to-use-it-in-ef-core-and-when-not-to-3i5e/The Truth About AddAsync in EF Core: When to Use It and When Not To AddAsync() often...Wed, 28 May 2025 18:05:08 GMTdotnetefcorevaluegenerationasyncawaitThe Truth About AddAsync: When to Use It in EF Core (and When Not To)https://imzihad21.github.io/articles/a/nodejs-memory-apocalypse-why-your-app-dies-on-big-files-and-how-to-stop-it-forever-4a4i/https://imzihad21.github.io/articles/a/nodejs-memory-apocalypse-why-your-app-dies-on-big-files-and-how-to-stop-it-forever-4a4i/Node.js Memory Apocalypse: Why Your App Dies on Big Files and How to Stop It Forever Your...Wed, 30 Apr 2025 17:20:19 GMTnodewebdevperformancefsNode.js Memory Apocalypse: Why Your App Dies on Big Files (And How to Stop It Forever)https://imzihad21.github.io/articles/a/understanding-c-ref-and-out-keywords-a-friendly-guide-392a/https://imzihad21.github.io/articles/a/understanding-c-ref-and-out-keywords-a-friendly-guide-392a/Understanding C# ref and out Keywords: A Friendly Guide In C#, ref and out pass arguments...Sun, 20 Apr 2025 04:33:33 GMTdotnetcsharpprogrammingtutorialUnderstanding C# ref and out Keywords: A Friendly Guidehttps://imzihad21.github.io/articles/a/deploying-a-react-app-with-docker-using-nginx-4in4/https://imzihad21.github.io/articles/a/deploying-a-react-app-with-docker-using-nginx-4in4/Deploying a React App with Docker Using Nginx For production React deployments, the goal...Sun, 09 Mar 2025 08:26:18 GMTdockerreactnginxdevopsDeploying a React App with Docker using Nginxhttps://imzihad21.github.io/articles/a/send-fcm-event-to-all-opened-client-windows-instead-of-focused-fcm-default-2hdd/https://imzihad21.github.io/articles/a/send-fcm-event-to-all-opened-client-windows-instead-of-focused-fcm-default-2hdd/Send FCM Event to All Opened Client Windows Instead of Focused FCM Default In many web...Wed, 05 Mar 2025 08:13:51 GMTreactfirebasecloudmessagingwebdevSend FCM Event to All Opened Client Windows Instead of Focused (FCM Default)https://imzihad21.github.io/articles/a/implementing-totp-two-factor-authentication-in-net-web-api-d7n/https://imzihad21.github.io/articles/a/implementing-totp-two-factor-authentication-in-net-web-api-d7n/Implementing TOTP-Based Two-Factor Authentication in .NET Web API Password authentication...Sun, 16 Feb 2025 07:46:40 GMTdotnetsecuritytwofactorauthqrcodeImplementing TOTP-Based Two-Factor Authentication in .NET Web APIhttps://imzihad21.github.io/articles/a/managing-production-configurations-in-aspnet-core-webapi-using-environment-variables-3nmf/https://imzihad21.github.io/articles/a/managing-production-configurations-in-aspnet-core-webapi-using-environment-variables-3nmf/Managing Production Configurations in ASP.NET Core Web API Using Environment...Sat, 25 Jan 2025 03:30:01 GMTdotnetdockerdevopsenvManaging Production Configurations in ASP.NET Core WebAPI Using Environment Variableshttps://imzihad21.github.io/articles/a/simplify-email-testing-with-a-local-papercut-smtp-server-using-docker-1o6b/https://imzihad21.github.io/articles/a/simplify-email-testing-with-a-local-papercut-smtp-server-using-docker-1o6b/Simplify Email Testing with a Local Papercut SMTP Server Using Docker Testing email...Mon, 30 Dec 2024 15:08:05 GMTdockeremailtestingdevtoolsSimplify Email Testing with a Local Papercut SMTP Server Using Dockerhttps://imzihad21.github.io/articles/a/setting-up-a-home-media-server-with-docker-a-beginners-guide-296l/https://imzihad21.github.io/articles/a/setting-up-a-home-media-server-with-docker-a-beginners-guide-296l/Setting Up a Home Media Server with Docker: A Beginner's Guide A home media server lets...Mon, 30 Dec 2024 14:40:04 GMTdockerlinuxdevopsmediaserverSetting Up a Home Media Server with Docker: A Beginner's Guidehttps://imzihad21.github.io/articles/a/master-react-api-management-with-tanstack-react-query-best-practices-examples-1139/https://imzihad21.github.io/articles/a/master-react-api-management-with-tanstack-react-query-best-practices-examples-1139/Master React API Management with TanStack Query: Best Practices and Examples Managing...Wed, 27 Nov 2024 05:43:02 GMTreactreactqueryaxiosapiMaster React API Management with TanStack React Query: Best Practices & Exampleshttps://imzihad21.github.io/articles/a/building-a-linux-based-minimal-and-efficient-net-8-application-docker-image-50jp/https://imzihad21.github.io/articles/a/building-a-linux-based-minimal-and-efficient-net-8-application-docker-image-50jp/Building a Linux-Based Minimal and Efficient .NET 8 Application Docker Image A good Docker...Sun, 24 Nov 2024 04:29:31 GMTdotnetdockerlinuxdevopsBuilding a Linux Based Minimal and Efficient .NET 8 Application Docker Imagehttps://imzihad21.github.io/articles/a/setting-up-a-vps-server-with-docker-nginx-proxy-manager-and-portainer-3hfk/https://imzihad21.github.io/articles/a/setting-up-a-vps-server-with-docker-nginx-proxy-manager-and-portainer-3hfk/Setting Up a VPS Server with Docker, Nginx Proxy Manager, and Portainer Hosting apps on a...Sun, 17 Nov 2024 15:42:43 GMTdockernginxportainerlinuxSetting Up a VPS Server with Docker, Nginx Proxy Manager, and Portainerhttps://imzihad21.github.io/articles/a/integrating-stripe-payment-intent-in-nestjs-with-webhook-handling-1n65/https://imzihad21.github.io/articles/a/integrating-stripe-payment-intent-in-nestjs-with-webhook-handling-1n65/Integrating Stripe Payment Intent in NestJS with Webhook Handling Stripe integration in...Mon, 11 Nov 2024 20:54:41 GMTnestjsstripepaymentwebhookIntegrating Stripe Payment Intent in NestJS with Webhook Handlinghttps://imzihad21.github.io/articles/a/comprehensive-encryption-and-security-service-in-nestjs-argon2-hashing-token-generation-and-aes-encryption-595o/https://imzihad21.github.io/articles/a/comprehensive-encryption-and-security-service-in-nestjs-argon2-hashing-token-generation-and-aes-encryption-595o/Comprehensive Encryption and Security Service in NestJS: Argon2, Token Generation, and AES...Mon, 11 Nov 2024 20:25:00 GMTnestjsargon2aesencryptionComprehensive Encryption and Security Service in NestJS: Argon2 Hashing, Token Generation, and AES Encryptionhttps://imzihad21.github.io/articles/a/custom-role-based-access-control-in-nestjs-using-custom-guards-jol/https://imzihad21.github.io/articles/a/custom-role-based-access-control-in-nestjs-using-custom-guards-jol/Custom Role-Based Access Control in NestJS Using Custom Guards Role checks scattered...Mon, 11 Nov 2024 20:04:34 GMTnestjsrbacauthorizationsecurityCustom Role-Based Access Control in NestJS Using Custom Guardshttps://imzihad21.github.io/articles/a/implementing-http-request-and-response-encryption-in-aspnet-core-with-custom-attributes-422b/https://imzihad21.github.io/articles/a/implementing-http-request-and-response-encryption-in-aspnet-core-with-custom-attributes-422b/Implementing HTTP Request and Response Encryption in ASP.NET Core with Custom...Thu, 07 Nov 2024 06:15:22 GMTdotnetcryptographysecuritywebdevImplementing HTTP Request and Response Encryption in ASP.NET Core with Custom Attributeshttps://imzihad21.github.io/articles/a/a-generic-repository-pattern-for-nestjs-with-mongoose-for-mongodb-gp3/https://imzihad21.github.io/articles/a/a-generic-repository-pattern-for-nestjs-with-mongoose-for-mongodb-gp3/A Generic Repository Pattern for NestJS with Mongoose for MongoDB As applications grow,...Sun, 03 Nov 2024 18:29:54 GMTnestjsmongodbgenericrepositoryA Generic Repository Pattern for NestJS with Mongoose for MongoDBhttps://imzihad21.github.io/articles/a/integrating-cloudinary-with-nestjs-for-image-management-25n5/https://imzihad21.github.io/articles/a/integrating-cloudinary-with-nestjs-for-image-management-25n5/Integrating Cloudinary with NestJS for Image Management Image handling in backend systems...Sun, 03 Nov 2024 18:13:21 GMTnestjscloudinaryimageuploadbackendIntegrating Cloudinary with NestJS for Image Managementhttps://imzihad21.github.io/articles/a/seamlessly-integrate-swagger-with-jwt-authentication-in-nestjs-2aol/https://imzihad21.github.io/articles/a/seamlessly-integrate-swagger-with-jwt-authentication-in-nestjs-2aol/Seamlessly Integrate Swagger with JWT Authentication in NestJS Strong API documentation...Sun, 03 Nov 2024 17:43:11 GMTnestjsjwtswaggerwebdevSeamlessly Integrate Swagger with JWT Authentication in NestJShttps://imzihad21.github.io/articles/a/enhancing-error-logging-in-nestjs-with-a-custom-sentry-logger-4bf/https://imzihad21.github.io/articles/a/enhancing-error-logging-in-nestjs-with-a-custom-sentry-logger-4bf/Enhancing Error Logging in NestJS with Sentry Error logs without context are just...Sun, 03 Nov 2024 17:31:51 GMTnestjssentryloggerexceptionEnhancing Error Logging in NestJS with Sentryhttps://imzihad21.github.io/articles/a/custom-role-based-authorization-with-jwt-in-aspnet-core-e7p/https://imzihad21.github.io/articles/a/custom-role-based-authorization-with-jwt-in-aspnet-core-e7p/Custom Role-Based Authorization with JWT in ASP.NET Core When an API grows, scattered...Sun, 03 Nov 2024 16:39:58 GMTdotnetaspnetcorejwtauthorizationCustom Role-Based Authorization with JWT in ASP.NET Corehttps://imzihad21.github.io/articles/a/managing-jwt-access-tokens-with-axios-and-automatic-token-refresh-1i5p/https://imzihad21.github.io/articles/a/managing-jwt-access-tokens-with-axios-and-automatic-token-refresh-1i5p/Managing JWT Access Tokens with Axios and Automatic Token Refresh Many developers hit this...Sun, 22 Oct 2023 18:05:23 GMTaxiosjwtreacttokenrefreshManaging JWT Access Tokens with Axios and Automatic Token Refreshhttps://imzihad21.github.io/articles/a/backend-guides-4i97/https://imzihad21.github.io/articles/a/backend-guides-4i97/Essential Concepts for JavaScript Developers in Back-End Development If you already know...Thu, 23 Dec 2021 16:53:07 GMTcrudjwtapidatabaseEssential Concepts for JavaScript Developers in Back-End Developmenthttps://imzihad21.github.io/articles/a/reactjs-important-topics-43nd/https://imzihad21.github.io/articles/a/reactjs-important-topics-43nd/Getting Started with React.js: A Beginner's Guide React.js is a popular JavaScript library...Wed, 22 Dec 2021 17:43:19 GMTjavascriptwebdevbeginnersreactGetting Started with React.js: A Beginner's Guide