Send emails in ASP.NET Core with SendGrid and a background queue
Send order confirmation emails in ASP.NET Core with SendGrid, Channels and a BackgroundService, so a slow or failed email never breaks checkout.
Latest articles
ASP.NET Core production checklist: going live with an e-commerce site
An ASP.NET Core deployment checklist for e-commerce: demo accounts, JWT keys, connection strings, SendGrid, PayPal Live, HTTPS, Data Protection and backups.
ASP.NET Core MVC project structure: a practical layered architecture
A practical layered architecture for ASP.NET Core MVC: Web, Services, Data, Entities and Shared projects, with EF Core and no repository-pattern overhead.
ASP.NET Core settings in the database: change config without a redeploy
Store ASP.NET Core application settings in the database with IMemoryCache, edit them from an admin page, and keep API keys and secrets masked in the UI.
Prevent overselling in EF Core: concurrency-safe stock updates
Stop two customers buying the last item: fix the lost update in EF Core with a conditional ExecuteUpdateAsync or a concurrency token, on any database.
ASP.NET Core promo codes: validating discounts safely with EF Core
Build coupon and promo code logic in ASP.NET Core: expiry dates, usage limits, minimum order values, decimal rounding and atomic usage counts in EF Core.
EF Core seed data: demo data that works on the first run
Seed an ASP.NET Core app with EF Core: run migrations at startup, create Identity roles and an admin user, and load demo products only once.
Docker Compose profiles for ASP.NET Core: one file, four databases
Run an ASP.NET Core app against SQL Server, PostgreSQL, MySQL or SQLite with Docker Compose profiles, healthchecks and depends_on service_healthy.
ASP.NET Core JWT and cookie authentication in one project
Run Identity cookie auth for an MVC site and JWT bearer auth for a REST API in one ASP.NET Core app, with 401s instead of login redirects for mobile apps.
