Axum code explainers

rust

use std::time::Instant;
 
use axum::{
    body::Body,

Prometheus request metrics in Axum

middleware observability prometheus

Intermediate 7 steps

rust

use axum::{
    async_trait,
    body::Bytes,
    extract::FromRequest,

A strict JSON extractor in Axum

extractors traits content-negotiation

Advanced 7 steps

rust

use axum::{
    async_trait,
    extract::{FromRequestParts, State},
    http::{request::Parts, StatusCode},

Idempotent payments with an Axum extractor

idempotency extractors shared-state

Intermediate 8 steps

rust

use std::time::Duration;
 
use axum::{
    extract::State,

Rate-limiting an expensive Axum route with tower

middleware concurrency-limiting shared-state

Intermediate 9 steps

rust

use axum::{
    extract::State,
    http::{header, HeaderMap, StatusCode},
    response::{IntoResponse, Response},

Conditional GET caching in Axum

http-caching conditional-requests extractors

Intermediate 7 steps

rust

use axum::{
    routing::get,
    Json, Router,
};

Response compression in Axum with tower-http

middleware compression http

Intermediate 6 steps

rust

use axum::{extract::State, http::StatusCode, response::IntoResponse, Json};
use chrono::{Duration, Utc};
use serde::{Deserialize, Serialize};
use std::{collections::HashMap, sync::Arc};

Refresh token rotation in Axum

authentication token-rotation reuse-detection

Advanced 9 steps

rust

use axum::{
    extract::{FromRef, FromRequestParts},
    http::{request::Parts, StatusCode},
    response::{IntoResponse, Response},

A custom API-key extractor in Axum

authentication extractors trait-implementation

Advanced 8 steps

rust

use axum::{
    async_trait,
    extract::{FromRequestParts, State},
    http::{header, request::Parts, StatusCode},

Custom auth extractors in Axum

extractors authentication error-handling

Intermediate 9 steps

rust

use std::time::Duration;
 
use axum::{
    body::Body,

Structured request tracing in Axum

middleware observability tracing

Intermediate 7 steps

rust

use axum::{extract::{Path, State}, http::StatusCode, Json};
use serde::Serialize;
use std::sync::Arc;

Concurrent dashboard aggregation in Axum

concurrency error-handling graceful-degradation

Intermediate 7 steps

rust

use axum::{
    extract::{Path, State},
    http::{header, HeaderMap, StatusCode},
    response::{IntoResponse, Response},

Optimistic concurrency with ETags in Axum

optimistic-concurrency etag http-headers

Intermediate 8 steps

rust

use axum::{
    async_trait,
    extract::{rejection::JsonRejection, FromRequest, Request},
    http::StatusCode,

A validating JSON extractor in Axum

extractors validation error-handling

Intermediate 7 steps

rust

use axum::{extract::{Query, State}, http::StatusCode, Json};
use base64::{engine::general_purpose::URL_SAFE_NO_PAD, Engine};
use serde::{Deserialize, Serialize};
use sqlx::PgPool;

Cursor pagination in an Axum handler

cursor-pagination keyset-pagination base64

Advanced 10 steps

rust

use std::sync::Arc;
 
use axum::{
    extract::State,

Offloading work with a channel in Axum

background-jobs message-passing shared-state

Intermediate 9 steps

rust

use std::time::Duration;
 
use axum::{extract::State, http::StatusCode, response::IntoResponse, Json};
use serde::Serialize;

A timeout-guarded health check in Axum

health-check timeout error-handling

Intermediate 6 steps

rust

use std::sync::Arc;
use axum::{
    body::Body,
    extract::{Extension, State},

Passing per-request context through Axum middleware

middleware request-context dependency-injection

Intermediate 8 steps

rust

use axum::{
    extract::Path,
    http::{header::ACCEPT, HeaderMap, StatusCode},
    response::{Html, IntoResponse, Json, Response},

Content negotiation in an Axum handler

content-negotiation http-headers serialization

Intermediate 8 steps