Check if the current process is running inside Railway
CLI:
sh $ cargo install is-railway
As a dependency: ```toml
Cargo.toml
[dependencies] is-railway = "1.0.0" ```
```rs use is_railway::check;
fn main() { let is_running = check();
println!(is_running);
} ```
sh
$ is-railway
Exits with code 0 if running in Railway and 2 if not.