Learn how to model polymorphism in GraphQL with unions and interfaces, when to use each, querying patterns, resolvers, and best practices.
A practical guide to naming REST API endpoints: principles, patterns, examples, and a checklist for clear, consistent, and evolvable URLs.
A practical guide to blue‑green deployment for APIs: traffic switching, database changes, observability, rollback, and Kubernetes/gateway examples.
A practical guide to GraphQL error handling: schema design, HTTP codes, partial data, masking, client patterns, observability, and examples.
Apply the Repository pattern in API design with practical code, specs, UoW, and testing tips—plus performance, security, and pitfalls to avoid.
A practical guide to GraphQL authentication and authorization patterns, from tokens to directives, RLS, subscriptions, and federation.
