Envconfig

An easy way to build a config structure form environment variables in Rust.

Usage

Let's say you application relies on the following environment variables:

• DB_HOST
• DB_PORT

And you want to initialize Config structure like this one:

struct Config {
  host: String,
  port: u16
}

You can achieve this with the following code without boilerplate:

#[macro_use] extern crate envconfig;

envconfig!(Config {
    db_host: String = "DB_HOST",
    db_port: u16 = "DB_PORT"
});


let config = Config::init_or_die();

Running tests

To prevent flaky tests run them in one thread:

cargo test -- --test-threads=1