diff --git a/infra/Dockerfile.react b/infra/Dockerfile.react
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--- /dev/null
+++ b/infra/Dockerfile.react
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+# Multi-stage build для React/Vue/Svelte SPA
+# Положи этот файл в корень своего проекта как "Dockerfile"
+
+ARG NODE_VERSION=20
+ARG BUILD_DIR=dist
+
+# ---------- 1. Build ----------
+FROM node:${NODE_VERSION}-alpine AS build
+WORKDIR /app
+
+COPY package*.json ./
+RUN if [ -f package-lock.json ]; then npm ci; else npm install; fi
+
+COPY . .
+RUN npm run build
+
+# ---------- 2. Runtime ----------
+FROM nginx:alpine
+ARG BUILD_DIR
+
+# SPA-friendly конфиг: любой неизвестный путь отдаёт index.html
+RUN printf 'server {\n\
+    listen 80;\n\
+    root /usr/share/nginx/html;\n\
+    index index.html;\n\
+    location / {\n\
+        try_files $uri $uri/ /index.html;\n\
+    }\n\
+    location ~* \\.(?:js|css|svg|jpg|jpeg|png|gif|ico|woff2?)$ {\n\
+        expires 30d;\n\
+        add_header Cache-Control "public, immutable";\n\
+    }\n\
+}\n' > /etc/nginx/conf.d/default.conf
+
+COPY --from=build /app/${BUILD_DIR} /usr/share/nginx/html
+
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]