Logging in Next.js is hard (But it doesn't have to be)
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Next.js apps run across three runtimes — Node.js, Edge, and the browser — which makes unified logging surprisingly difficult. Most popular loggers like Pino only target Node.js and fail in Edge middleware or client components. The post explains why this fragmentation is a problem, what to look for in a Next.js-compatible logger (runtime support, tracing, structured data), and walks through two practical solutions: LogTape (a dependency-free, runtime-agnostic library) and the Sentry Next.js SDK with built-in logging. Both support trace-connected structured logging, allowing all logs across runtimes to be tied to a single request trace ID for querying and debugging in Sentry's Log Explorer.
