Refactor database handling to require PostgreSQL connection, removing fallback to JSON. Implement error handling for database unavailability in key files. Update .env.example to reflect mandatory DATABASE_URL for local development. Remove Firebase configuration and related code from the project.

scripts/db-check.php

@@ -18,20 +18,26 @@ if (!$url) {
     exit(1);
 }
 
-$pdo = get_db_connection();
-if (!$pdo) {
-    fwrite(STDERR, "Keine DB-Verbindung zu: {$url}\n");
+try {
+    $pdo = require_database();
+} catch (DatabaseUnavailableException $e) {
+    fwrite(STDERR, $e->getMessage() . "\n");
     fwrite(STDERR, "Prüfe: Docker läuft?  docker compose -f docker-compose.dev.yml ps\n");
     exit(1);
 }
 
-init_db();
-
 $count = (int) $pdo->query('SELECT COUNT(*) FROM recipes')->fetchColumn();
 echo "Verbindung OK. Rezepte in DB: {$count}\n";
 
-if ($count > 0) {
-    $stmt = $pdo->query("SELECT slug, data->'i18n'->'en'->>'title' AS title FROM recipes LIMIT 5");
+if ($count === 0) {
+    echo "Hinweis: Leere DB – einmalig seeden mit: php scripts/db-seed.php\n";
+} else {
+    $stmt = $pdo->query(
+        "SELECT r.slug, t.title
+         FROM recipes r
+         LEFT JOIN recipe_translations t ON t.recipe_slug = r.slug AND t.lang = 'en'
+         LIMIT 5"
+    );
     echo "\nBeispiel-Zeilen:\n";
     while ($row = $stmt->fetch()) {
         echo "  - {$row['slug']}: {$row['title']}\n";