first commit

frontend/Dockerfile

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+FROM node:22-alpine AS build
+WORKDIR /app
+COPY frontend/package*.json /app/
+RUN npm ci || npm install
+COPY frontend /app
+RUN npm run build
+
+FROM nginx:1.29-alpine
+COPY frontend/nginx/default.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/dist/routeros-backup-manager-next-ui/browser /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]