fix: locate migrations via process.cwd() (was dist/migrations -> ENOENT); add .dockerignore

.dockerignore

@@ -0,0 +1,7 @@
+.git
+node_modules
+dist
+.astro
+*.log
+.env
+# migrations/ + seeds/ NICHT ignorieren — werden zur Laufzeit gebraucht!

src/lib/db.ts

@@ -1,5 +1,5 @@
 import pg from 'pg';
-import { readFileSync, readdirSync } from 'node:fs';
+import { readFileSync, readdirSync, existsSync } from 'node:fs';
 import { fileURLToPath } from 'node:url';
 import { dirname, join } from 'node:path';
 
@@ -24,8 +24,16 @@ export async function one<T = any>(text: string, params?: any[]): Promise<T | nu
 export async function runMigrations(): Promise<void> {
   await pool.query(`CREATE TABLE IF NOT EXISTS schema_migrations (
     name text PRIMARY KEY, applied_at timestamptz NOT NULL DEFAULT now())`);
+  // Migrationen liegen im Projektwurzel-Ordner (Container: /app/migrations).
+  // Nicht relativ zum kompilierten Modul (dist/server/chunks) suchen!
   const here = dirname(fileURLToPath(import.meta.url));
-  const dir = join(here, '..', '..', 'migrations');
+  const candidates = [
+    join(process.cwd(), 'migrations'),
+    join(here, '..', '..', 'migrations'),
+    join(here, '..', '..', '..', 'migrations'),
+  ];
+  const dir = candidates.find((d) => existsSync(d));
+  if (!dir) throw new Error(`migrations-Verzeichnis nicht gefunden (geprüft: ${candidates.join(', ')})`);
   const files = readdirSync(dir).filter((f) => f.endsWith('.sql')).sort();
   for (const file of files) {
     const done = await one('SELECT name FROM schema_migrations WHERE name=$1', [file]);