initial

frontend/Dockerfile

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+# Build stage
+FROM node:20-alpine AS builder
+WORKDIR /app
+COPY package.json package-lock.json* ./
+RUN npm install
+COPY . .
+RUN npm run build
+
+# Dev stage (default target)
+FROM node:20-alpine AS dev
+WORKDIR /app
+COPY package.json package-lock.json* ./
+RUN npm install
+COPY . .
+EXPOSE 5173
+CMD ["npm", "run", "dev"]
+
+# Prod stage
+FROM nginx:alpine AS prod
+COPY --from=builder /app/dist /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]