# Multi-stage: build Vite app, then serve with Nginx (Alpine).
# Frontend only; backend is a separate service.

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

COPY package.json package-lock.json* ./
RUN npm ci

COPY . .
RUN npm run build

# Stage 2: serve
FROM nginx:alpine
COPY --from=builder /app/dist /usr/share/nginx/html
COPY nginx.conf /etc/nginx/conf.d/default.conf
EXPOSE 80
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget -q -O /dev/null http://localhost:80/ || exit 1
CMD ["nginx", "-g", "daemon off;"]