Add production deployment

deployment/frontend/Dockerfile

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+FROM node:24 AS frontend
+
+WORKDIR /app
+COPY package.json .
+RUN npm install --ignore-scripts
+
+COPY frontend frontend
+RUN npm run build
+
+FROM node:24 AS server
+
+WORKDIR /server
+COPY deployment/frontend/package.json .
+RUN npm install
+COPY deployment/frontend/ .
+
+FROM node:24-slim
+
+WORKDIR /app
+COPY --from=frontend /app/frontend/dist .
+
+WORKDIR /server
+COPY --from=server /server .
+
+ENV STATIC_FILE_PATH=/app
+ENTRYPOINT ["npm", "run", "start"]

deployment/frontend/package.json

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+{
+    "name": "frontend-server",
+    "version": "1.0.0",
+    "main": "server.js",
+    "scripts": {
+        "start": "node server.js"
+    },
+    "dependencies": {
+        "express": "^5.1.0",
+        "http-proxy-middleware": "^3.0.5"
+    }
+}

deployment/frontend/server.js

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+// server.js
+const express = require('express');
+const { createProxyMiddleware } = require('http-proxy-middleware');
+const path = require('path');
+
+const app = express();
+const port = process.env.PORT || 3000;
+const backendHost = process.env.BACKEND_HOST || "http://localhost:8300";
+const file_path = process.env.STATIC_FILE_PATH || ".";
+
+app.use('/api', createProxyMiddleware({
+    target: backendHost,
+    changeOrigin: true,
+    pathRewrite: { '^/api': '' },
+    ws: true
+}));
+
+app.use(express.static(path.resolve(file_path)));
+
+app.listen(port, () => {
+    console.log(`Server launched на http://localhost:${port}`);
+});