Docker integration

Dockerfile

@@ -0,0 +1,25 @@
+FROM node:18-alpine
+
+WORKDIR /app
+
+# Dependencies installieren
+COPY package*.json ./
+RUN npm ci --only=production
+
+# Source kopieren und builden
+COPY tsconfig.json ./
+COPY src ./src
+RUN npm run build
+
+# Aufräumen - nur dist und node_modules behalten
+RUN rm -rf src tsconfig.json
+
+# Port freigeben
+EXPOSE 3000
+
+# Healthcheck
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1
+
+# Starten
+CMD ["node", "dist/index.js"]