Docs/1. Getting Started/Installation & Cargo Setup

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Installation & Cargo Setup

Setting up your Rust toolchain, Cargo workspace, and essential dependencies.

Setting up an Actix Web project is straightforward. Ensure you have the standard Rust toolchain installed via rustup.

#Quick Project Creation Run in your terminal: ```bash cargo new --bin actix-starter cd actix-starter cargo add actix-web cargo add serde --features derive cargo add serde_json cargo add env_logger ```

#Recommended Development Tooling For live reload during development, install cargo-watch: ```bash cargo install cargo-watch cargo watch -x run ``` This will automatically recompile and restart your server every time you save a file.

# Working Implementation

Cargo.toml

[package]
name = "actix-starter"
version = "0.1.0"
edition = "2021"

[dependencies]
actix-web = "4.9"
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
tokio = { version = "1.0", features = ["macros", "rt-multi-thread"] }
env_logger = "0.11"
log = "0.4"

Key Architectural Takeaways

•Use rustup to ensure Rust stable (1.80+) is installed.
•Initialize standard projects with cargo new --bin my_actix_api.
•Add actix-web, tokio, and serde with appropriate feature flags.
•Use cargo-watch during local development for automatic code reloading.

Common Mistakes & Gotchas

×Missing serde derive feature flag, causing compile errors on struct annotations.
×Using an outdated Rust edition in Cargo.toml.