DevOps
Health Checks Readiness and Liveness for Rust Services
Liveness says the process is stuck, readiness says it cannot take traffic yet. Implement both in Axum, decide what each checks and avoid the restart loops a bad probe causes.
3 min read
Topic
Web
Axum, Actix and Tower in anger: routing, middleware, APIs, and WebAssembly when the code has to run in a browser.
Web
JSON Requests and Responses in Axum With Serde Step by Step
Accept and return JSON in Axum with the Json extractor and Serde: validate input, set status codes, handle bad bodies and avoid common content type mistakes.
7 min read
Web
Axum Structured Logging and Request IDs With Tracing
Add structured logs and a request id to every Axum request with tower-http TraceLayer, SetRequestIdLayer and tracing spans that carry the id into your code.
2 min read
Web
Axum Error Handling With IntoResponse and Custom Errors
Make every Axum handler return Result with one AppError enum that implements IntoResponse, so the question mark works and clients get consistent JSON errors.
7 min read
WebGuide
Axum Integration Tests With a Real Database in Docker
Test an Axum API against a real Postgres started by Testcontainers: one container per test binary, one migrated database per test, the leaks and version traps that bite, and measured timings for each isolation strategy.
18 min read
WebGuide
Axum and SQLx Together for a Typed Database Layer Explained
Wire Axum 0.8 and SQLx 0.9 into a typed database layer: a pool in state, a db module of compile-time checked queries, one error type, a transaction, offline builds and tests on throwaway databases.
18 min read
Web
Axum Server Sent Events for Live Updates Without WebSockets
Server sent events push updates from Axum to the browser over plain HTTP. See Sse, Event, KeepAlive, streams from channels, reconnect with Last-Event-ID and proxy gotchas.
8 min read
WebGuide
Axum WebSockets With Broadcast Channels as a Weekend Project
Build a chat room over WebSockets in Axum 0.8, using a Tokio broadcast channel to fan messages out, two tasks per socket, size limits and an integration test that drives real clients.
16 min read
Web
Axum Rate Limiting With Tower Governor and Redis Explained
Limit requests per client in Axum with a small middleware, then see when to switch to tower_governor or a Redis counter. Includes fixed windows, token buckets and 429 responses.
9 min read
Web
Axum Request Timeouts Limits and Body Size Caps Step by Step
Protect an Axum service from slow and oversized requests: TimeoutLayer, DefaultBodyLimit, header limits and what a reverse proxy should add on top.
8 min read
Web
Axum Form Data and File Uploads Handled Safely Step by Step
Handle HTML forms and multipart file uploads in Axum 0.8: Form, Multipart, size limits, content type checks, safe filenames and streaming to disk.
8 min read
Web
Tower Services and Layers Explained for Axum Users
Tower defines Service and Layer, the two traits behind every Axum middleware. See poll_ready, call, how layers wrap services and when to write one.
7 min read
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