fix database paht

Dockerfile

@@ -23,7 +23,7 @@ COPY backend/src/ ./src/
 # Build backend
 RUN npm run build
 
-# Copy database files manually (tsc doesn't copy non-TS files)
+# Copy database files manually
 RUN cp -r src/database/ dist/database/
 
 # Verify Python and OR-Tools installation
@@ -56,6 +56,9 @@ WORKDIR /app
 # Install PM2 for process management
 RUN npm install -g pm2
 
+# In der Production Stage, füge diese Zeile hinzu:
+ENV DB_PATH=/app/data/schichtplan.db
+
 # Copy backend built files
 COPY --from=backend-builder /app/backend/package*.json ./
 COPY --from=backend-builder /app/backend/dist/ ./dist/

backend/src/services/databaseService.ts

@@ -1,10 +1,18 @@
 import sqlite3 from 'sqlite3';
 import path from 'path';
 import { fileURLToPath } from 'url';
+import fs from 'fs';
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
-const dbPath = path.join(__dirname, '../../database/schichtplan.db');
+
+const dbPath = process.env.DB_PATH || '/app/data/schichtplan.db';
+
+// Stelle sicher, dass das Verzeichnis existiert
+const dbDir = path.dirname(dbPath);
+if (!fs.existsSync(dbDir)) {
+  fs.mkdirSync(dbDir, { recursive: true });
+}
 
 class Database {
   private db: sqlite3.Database;