Build Retur dead-letter sorting game

Dockerfile

@@ -0,0 +1,11 @@
+FROM node:24-alpine AS build
+WORKDIR /app
+COPY package.json package-lock.json* ./
+RUN npm ci || npm install
+COPY . .
+RUN npm run build
+
+FROM nginx:alpine
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/dist /usr/share/nginx/html
+EXPOSE 80