Enable config option for secure auth cookies

Enable by default in release mode

src/server/auth.rs

@@ -109,12 +109,12 @@ pub async fn get_user_by_username(
 }
 
 /// Create the authentication middleware layer
-pub fn build_auth_layer(db_pool: DbPool, key_val_pool: KeyValPool) -> AuthLayer {
+pub fn build_auth_layer(db_pool: DbPool, key_val_pool: KeyValPool, use_secure: bool) -> AuthLayer {
     use axum_login::{AuthManagerLayerBuilder, tower_sessions::SessionManagerLayer};
     use tower_sessions_redis_store::RedisStore;
 
     let auth_session_store = RedisStore::new(key_val_pool);
-    let session_layer = SessionManagerLayer::new(auth_session_store);
+    let session_layer = SessionManagerLayer::new(auth_session_store).with_secure(use_secure);
 
     let auth_backend = AuthBackend { db_pool };