Incremental Static Regeneration (ISR)
A caching pattern in Next.js that allows developers to update static pages on-demand or in the background without rebuilds.
Architectural Breakdown
Incremental Static Regeneration (ISR) solves the trade-off between fast static builds and live database fresh data. Pages are rendered once at compile-time and cached on the edge CDN. When data changes, a background revalidation regenerates the page in the background, updating the edge cache instantly for the next incoming visitor.
Business Impact
Allows catalogue, pricing, and product detail updates to go live instantly while keeping server costs low and maintaining 100/100 Lighthouse speed scores.
Explore Related SaaS Architecture Concepts
Row Level Security (RLS)
A database security mechanism in PostgreSQL that restricts row access based on the credentials of the user executing a query.
Hydration Loop
The process where client-side JavaScript takes over static HTML pre-rendered by the server and hooks up event listeners to make it interactive.
Technical Debt
The implied cost of choosing a quick, fragile software implementation over an extensible, securely designed architecture.
Need to implement clean code architecture?
Avoid technical debt by building on a securely isolated database (RLS) with fast dynamic rendering from day one.
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