temporary set env var DATABASE_URL in code

src/main.rs

@@ -18,6 +18,7 @@ async fn main() {
     // To be configured via environment variables
     // choose from (highest to lowest): error, warn, info, debug, trace, off
     env::set_var("RUST_LOG", "trace"); // TODO: Remove to respect user configuration
+    env::set_var("DATABASE_URL", "sqlite:test.db"); // TODO: move to .env
     env_logger::init();
 
     // Listen on all IPv4 and IPv6 interfaces on port 8200