# ── Stage 1: Build ────────────────────────────────────────────────────────────
FROM node:20-alpine AS build
WORKDIR /app

# Install dependencies first (cached layer unless package files change)
COPY package*.json ./
RUN npm ci

# Copy source and build
COPY . .
RUN npm run build

# ── Stage 2: Serve ────────────────────────────────────────────────────────────
FROM nginx:1.27-alpine AS serve
COPY --from=build /app/dist /usr/share/nginx/html
COPY nginx.conf /etc/nginx/conf.d/default.conf

EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]
