# ── Build ─────────────────────────────────────────────────────────────────────
FROM node:20-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm ci

COPY . .

# VITE_API_URL is injected at build time via --build-arg
ARG VITE_API_URL
ENV VITE_API_URL=${VITE_API_URL}

RUN npm run build

# ── Runtime (nginx) ───────────────────────────────────────────────────────────
FROM nginx:alpine

COPY --from=builder /app/dist /usr/share/nginx/html

# SPA fallback: all routes → index.html
COPY nginx.conf /etc/nginx/conf.d/default.conf

EXPOSE 80

HEALTHCHECK --interval=15s --timeout=5s --start-period=10s --retries=3 \
  CMD wget -qO- http://localhost/health || exit 1