Tips for Writing a Web Server and Beyond
summary
Fin is a working non‑trivial web server implemented for Rust that demonstrates concrete decisions: Postgres for storage, Diesel tradeoffs vs raw SQL, and a puskás Postgres mapper derive to avoid brittle row indexing. Migrations run both for runtime and for tests, where integration tests create a new database per test to allow parallel runs. Logging uses slog with structured key/value drains and considers tracing for async distributed contexts. Error strategy is a single app error type with codes and user messages to shrink the surface area.
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chapters (5)
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