Install Rust via rustup

Create a new project: `cargo new my_app`

Add `actix-web` crate to `Cargo.toml`

Implement routes, handlers, and middleware

Run project via `cargo run`

Install Rust via rustup

Install required crates

Create project via cargo

Implement routes, handlers, and middleware

Run app locally and verify

Cargo.toml - project dependencies

src/main.rs - main application

src/routes/ - route handlers

src/services/ - business logic

static/ - optional static assets

cargo new my_app - create project

cargo add actix-web - add web framework

cargo run - run app

cargo build --release - build optimized binary

cargo test - run tests

Support via Rust crates (e.g., `fluent`) for i18n

UTF-8 content supported by default

Locale selection handled in handlers

Messages externalized for translation

Integrate with external i18n libraries if needed

APIs accessible via HTTP clients

Supports CORS configuration for web apps

HTML templates can include ARIA attributes

Ensure REST APIs follow best practices

Testing with Rust integration tests

Primarily JSON APIs; optional HTML templates

Integrate CSS frameworks if serving HTML

Static assets served via `Files` service

Front-end frameworks optional (React/Vue/Angular)

Templating via `askama` or `tera` crates

Handlers and services manage business state

Shared state via Actix actors or App data

Middleware can read/write request state

Sessions and cache managed externally if needed

Async tasks handle concurrent operations safely

Database handled via Diesel, SQLx, or other crates

Entities mapped to tables or models

Connection pooling for performance

Cache used for frequently accessed data

Logs track request lifecycle and errors