Behebe Frontend Container Startup-Fehler

- Korrigiere Syntax-Fehler im Startup-Skript des Frontend-Containers
- Verbessere Datenbankmigration mit direkten Drizzle-Kit-Befehlen
- Füge TSX-Dependency für TypeScript-Ausführung hinzu
- Erweitere Frontend-Installationsskript mit besserer Fehlerbehandlung

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

packages/reservation-platform/Dockerfile

@@ -15,6 +15,9 @@ COPY package.json pnpm-lock.yaml ./
 RUN pnpm install --unsafe-perm --no-optional --frozen-lockfile
 RUN pnpm rebuild better-sqlite3
 
+# Install tsx for running TypeScript files directly
+RUN pnpm add -D tsx
+
 # Copy source code
 COPY . .
 
@@ -25,10 +28,15 @@ RUN mkdir -p db/
 EXPOSE 3000
 
 # Startup script to migrate DB and start app
-RUN echo '#!/bin/sh \n\
-mkdir -p /app/db \n\
-pnpm db:migrate || echo "Migration failed, continuing anyway" \n\
-pnpm start' > /app/startup.sh && chmod +x /app/startup.sh
+RUN echo '#!/bin/sh' > /app/startup.sh && \
+    echo 'set -e' >> /app/startup.sh && \
+    echo 'mkdir -p /app/db' >> /app/startup.sh && \
+    echo 'echo "Starting application..."' >> /app/startup.sh && \
+    echo 'echo "Attempting database migration..."' >> /app/startup.sh && \
+    echo 'npx drizzle-kit generate --schema=./src/server/db/schema.ts || echo "Generate schema failed, but continuing..."' >> /app/startup.sh && \
+    echo 'npx drizzle-kit push:sqlite || echo "Push migration failed, but continuing..."' >> /app/startup.sh && \
+    echo 'pnpm start' >> /app/startup.sh && \
+    chmod +x /app/startup.sh
 
 # Start the application
 CMD ["/app/startup.sh"]