Web

How to add authentication to Axum API Add authentication to Axum by creating a middleware that validates Bearer tokens in request headers before allowing access to protected routes. How to add rate limiting to Rust API Add rate limiting to a Rust API by integrating the actix-web framework with middleware to restrict request frequency per client. How to Build a Frontend Application with Dioxus Build a Dioxus frontend by initializing a Cargo project, adding the dioxus crate, defining a component in main.rs, and running cargo run. How to Build a Frontend Application with Leptos You build a Leptos frontend by defining your UI components in Rust using the `leptos` macro system, then compiling the project to WebAssembly (WASM) via `cargo leptos` or `trunk` to run in the browser. How to Build a Frontend Application with Yew (Rust WASM Framework) Build a Yew frontend by initializing a Cargo project, adding the yew dependency, and running trunk serve to compile and host the app. How to Build a Health Check Endpoint in Rust Create a GET /health route in your Rust web server that returns a 200 OK status and a JSON status object to verify application availability. How to Build a Proxy Server in Rust Build a Rust proxy server by creating a binary crate with tokio and hyper dependencies to forward HTTP requests asynchronously. How to build a REST API with Axum Build a REST API in Rust by adding axum and tokio dependencies, defining route handlers, and running the server with axum::serve. How to Build a Simple HTTP Server Without a Framework in Rust Build a basic HTTP server in Rust using the standard library's TCP listener to handle requests and send responses. How to build REST API with Actix-web Initialize a Rust project with actix-web, define a handler, and start the server to serve HTTP requests. How to Build Serverless Applications in Rust Build serverless Rust apps by creating async handlers with axum and compiling for the wasm32-unknown-unknown target. How to Call JavaScript from Rust in WASM Export Rust functions with wasm_bindgen and call them directly from JavaScript in the browser. How to Call Rust from JavaScript Using WASM Compile Rust to WebAssembly using wasm-bindgen and import the generated module into your JavaScript project. How to Compile Rust to WebAssembly Add the wasm32 target and run cargo build with the --target flag to compile Rust code for the web. How to Debug Rust WASM Applications Debug Rust WASM by compiling with `--dev` and `wasm32-unknown-unknown` target, then use browser DevTools and panic hooks. How to Deploy a Rust Web Application Compile your Rust web app in release mode and run the binary on your server to deploy it. How to Deploy Rust WASM Applications Deploy Rust WASM apps by adding the wasm32-unknown-unknown target, building in release mode, and serving the output file to the browser. How to deploy Rust web server with Docker Deploy a Rust web server by building a release binary and containerizing it with a multi-stage Dockerfile for a minimal, secure runtime image. How to do file uploads in Rust web server Implement file uploads in Rust by using the multipart crate to parse incoming requests and save the file data to disk. How to handle CORS To handle CORS in Rust, you must explicitly configure your web server to send the correct `Access-Control-Allow-Origin` and related headers in response to browser requests. How to Handle CORS in Rust Web Applications Handle CORS in Rust by adding the tower-http crate and wrapping your service with the CorsLayer middleware. How to Handle DNS Resolution in Rust Use external crates like hickory-resolver to handle DNS resolution in Rust since the standard library lacks built-in support. How to Handle File Uploads in Rust Web Applications Use the `multipart` crate to parse incoming multipart/form-data requests and extract files in your Axum or Actix-web handler. Add the dependency to `Cargo.toml` and implement a handler that consumes the stream to save the file. How to handle form data Use the `axum::extract::Form` extractor with the `form_urlencoded` crate to automatically parse `application/x-www-form-urlencoded` data into a strongly typed struct. How to handle graceful shutdown in Rust web server Implement graceful shutdown in Rust by using a shared flag to stop the server loop and join threads after receiving an interrupt signal. How to handle JSON in Rust web server Use serde and serde_json crates to automatically convert Rust structs to and from JSON for web servers. How to Handle JSON Request and Response Bodies in Rust Use the serde crate to convert JSON strings into Rust structs and back for handling web requests and responses. How to Handle Network Timeouts in Rust Handle network timeouts in Rust by wrapping blocking I/O calls with `connect_timeout` or `set_read_timeout` using `std::time::Duration`. How to Handle Request Validation in Rust (validator crate) Use the `validator` crate by adding it to `Cargo.toml` and applying attribute macros to your struct fields to define validation rules. How to Handle Strings Between Rust and JavaScript in WASM Use `wasm-bindgen` to automatically handle the conversion between Rust `String` and JavaScript `String`, as it manages the necessary memory allocation and encoding for you. How to Implement Authentication in Rust (JWT, Sessions) Use the `jsonwebtoken` crate with Axum's `FromRequestParts` extractor to validate tokens in the `Authorization` header. How to Implement a WebSocket Client in Rust Implement a WebSocket client in Rust using tokio-tungstenite to establish a real-time bidirectional connection. How to Implement a WebSocket Server in Rust Implement a Rust WebSocket server using tokio-tungstenite to handle async connections and bidirectional messaging. How to Implement Connection Pooling for Network Clients Implement connection pooling in Rust by creating a ConnectionPool with a ConnectorConfig that sets a limit on concurrent connections. How to Implement Graceful Shutdown in Rust Servers Implement graceful shutdown in Rust servers by using an AtomicBool flag to signal threads to exit their loops cleanly upon receiving a termination signal. How to implement health check endpoint in Rust Implement a Rust health check endpoint using Axum by defining a GET route that returns a 200 OK status. How to Implement Pagination in Rust APIs Use the Query extractor with a Deserialize struct to parse page and per_page parameters from the URL in Axum. How to implement pagination in Rust REST API Implement pagination in a Rust REST API by defining a Deserialize struct and using the axum Query extractor to parse page parameters. How to Implement Rate Limiting in Rust Implement rate limiting in Rust using the actix-web middleware to restrict request frequency and protect your server. How to Implement Retry Logic for Network Requests in Rust Implement retry logic in Rust by wrapping a request in a loop that catches errors and sleeps before attempting again up to a maximum limit. How to implement versioned API in Rust Implement versioned APIs in Rust by creating separate modules for each version and routing them to distinct URL paths like /api/v1 and /api/v2. How to Optimize Rust WASM Binary Size Optimize Rust WASM binary size by building in release mode with LTO and stripping symbols, or by post-processing with wasm-opt. How to serve static files Use the `axum` framework with the `tower_http` service for a modern, ergonomic approach, or `warp` for a lightweight alternative; both handle MIME types, caching headers, and directory traversal safely out of the box. How to Serve Static Files in Rust Use the `warp` or `axum` crate to serve static files from a directory in Rust. Add the dependency to your `Cargo.toml`, then configure the router to serve the `static` folder. How to Use HTTP/2 in Rust Use the `hyper` crate with the `full` feature flag to enable HTTP/2 support, as it is the standard high-performance HTTP library for Rust. How to Use js-sys for JavaScript APIs from Rust Use `js-sys` to access JavaScript APIs by importing the specific function or object you need from the crate and calling it with `wasm-bindgen`'s `JsValue` types, ensuring your project is configured with the `wasm-bindgen` and `wasm-bindgen-macro` dependencies. How to Use mDNS/DNS-SD in Rust Use the mdns-sd crate to register and discover local network services via mDNS/DNS-SD in Rust. How to use middleware in Axum Apply middleware in Axum using Router::layer for global effects or route_layer for specific paths. How to Use Middleware in Rust Web Frameworks Connect to named middleware services like DNS or Network using the `connect` function and cache the resulting `Connection` ID for reuse. How to Use OpenAPI/Swagger with Rust (utoipa) Generate OpenAPI docs for Axum apps using the aide crate with simple annotations and routing. How to Use Rust WASM for Serverless Functions (Cloudflare Workers, Fastly) Compile Rust to wasm32-unknown-unknown, disable default features, and upload the .wasm binary to Cloudflare or Fastly as a serverless handler. How to Use Rust WASM in a React/Vue/Svelte Application Build Rust code to WebAssembly using wasm-pack and import the generated module into your React, Vue, or Svelte application. How to Use Shared Memory Between Rust WASM and JavaScript Rust WASM and JavaScript share memory via the linear buffer, allowing direct read/write access without data copying. How to use SQLx with Axum Connect Axum to SQLx by injecting a PgPool into handlers using the State extractor. How to Use Templates in Rust (Tera, Askama) Use the askama crate to define Rust structs with the Template trait and render HTML files by calling the render method. How to use tower middleware with Axum Stack Tower middleware in Axum using Router::layer or ServiceBuilder to add reusable request handling logic. How to use tracing for request logging in Axum Enable request logging in Axum by adding the tracing crate, initializing a subscriber, and instrumenting handlers. How to Use WASI (WebAssembly System Interface) with Rust Compile Rust for WASI by adding the wasm32-wasip1 target and building with cargo. How to Use wasm-bindgen for Rust-JavaScript Interop Use wasm-bindgen to compile Rust to WebAssembly and automatically generate JavaScript bindings for seamless interop. How to Use wasm-pack for Rust WASM Projects Use wasm-pack build to compile Rust crates into WebAssembly with automatic JavaScript bindings for web integration. How to use WebSockets in Rust Implement real-time bidirectional communication in Rust by using the WebSocketUpgrade extractor and on_upgrade handler. How to Use web-sys for DOM Manipulation from Rust Use the `wasm-bindgen` crate to generate safe Rust bindings for the browser DOM, then call methods on `web_sys` types like `Document` and `Element`. Overview of Web Frameworks in Rust: Axum vs Actix vs Rocket Choose Axum if you prioritize ergonomics, type safety, and seamless integration with the Tokio ecosystem for new projects. What is the difference between Axum and Actix-web Axum offers ergonomic, modular web development, while Actix-web provides high-performance, low-level control for Rust web servers. What Is WebAssembly and How Does Rust Support It? WebAssembly enables high-performance web execution, and Rust compiles to it via dedicated targets like wasm32-unknown-unknown.