IMAPServer-shared 0.1.0

A shared module for the IMAPServer crate and it's cli
Documentation 
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use diesel::prelude::*;
use diesel::sqlite::SqliteConnection;
use dotenv::dotenv;
use std::env;

pub fn establish_connection() -> SqliteConnection {
    dotenv().ok();

    let database_url = env::var("DATABASE_URL").expect("DATABASE_URL must be set");
    SqliteConnection::establish(&database_url)
        .expect(&format!("Error connecting to {}", database_url))
}