use memory databases for e2e tests

src/main.rs

@@ -42,6 +42,9 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         .init();
 
     let database_path = env::var("DATABASE_PATH").unwrap_or_else(|_| "sustenance.db".into());
+    let database_in_memory = env::var("DATABASE_IN_MEMORY")
+        .map(|value| value == "1" || value.eq_ignore_ascii_case("true"))
+        .unwrap_or(false);
     let bind_address = env::var("BIND_ADDRESS").unwrap_or_else(|_| "127.0.0.1:3000".into());
     // For loopback hosts, advertise `localhost` so WebAuthn works locally (browsers
     // reject IP addresses as RP IDs). Access the app via http://localhost:PORT.
@@ -69,7 +72,11 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     };
 
     // Build the adapters (ports) and wire them into application services.
-    let db = SqliteDatabase::open(&database_path).await?;
+    let db = if database_in_memory {
+        SqliteDatabase::open_in_memory().await?
+    } else {
+        SqliteDatabase::open(&database_path).await?
+    };
     let users: Arc<dyn UserRepository> = Arc::new(SqliteUserRepository);
     let sessions: Arc<dyn SessionRepository> = Arc::new(SqliteSessionRepository);
     let lists: Arc<dyn ListRepository> = Arc::new(SqliteListRepository);