Struct Env 

pub struct Env {
    pub db_url: String,
    pub token_secret: String,
    pub origin: String,
}

Environment configuration for the application.

Loads required configuration from environment variables at startup. All variables must be present or the application will panic during Env::load. Used by AppState for configuring JWT signing and CORS.

Fields

• db_url: PostgreSQL database connection URL
• token_secret: Secret key used to sign and verify Claims in JWT tokens
• origin: Frontend origin URL for CORS policy configuration

Required Environment Variables

• DATABASE_URL: PostgreSQL connection string (e.g., postgresql://user:pass@localhost/dbname)
• TOKEN_SECRET: Secret key for JWT token signing (use a strong random string in production)
• ORIGIN: Frontend URL for CORS (e.g., http://localhost:8080)

Fields

db_url: String

PostgreSQL database connection URL

token_secret: String

Secret key used to sign and verify JWT tokens

origin: String

Frontend origin URL for CORS policy

Implementations

impl Env

pub fn load() -> Env

Loads environment configuration from system environment variables.

Reads DATABASE_URL, TOKEN_SECRET, and ORIGIN from the environment and returns a configured Env instance. Used during server initialization in the main function.

Panics

If any required variable is missing (DATABASE_URL, TOKEN_SECRET, or ORIGIN).

Example

let env = Env::load();
// Environment must have DATABASE_URL, TOKEN_SECRET, and ORIGIN set
let app_state = AppState {
    db: pool,
    env,
};

Trait Implementations

impl Clone for Env

fn clone(&self) -> Env

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Env

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.