# ── Stage 1: Build ──────────────────────────────────────────────────────────
FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm install
COPY . .
RUN npm run build

# ── Stage 2: Serve ──────────────────────────────────────────────────────────
FROM nginx:alpine
COPY --from=builder /app/dist /usr/share/nginx/html
COPY nginx.app.conf /etc/nginx/conf.d/default.conf
EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]