# ---- Build stage ----
FROM node:20-alpine AS builder
WORKDIR /app

COPY package*.json ./
RUN npm ci

COPY . .
RUN npm run build

# ---- Serve stage ----
FROM nginx:1.27-alpine

RUN rm /etc/nginx/conf.d/default.conf
COPY nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=builder /app/dist /usr/share/nginx/html

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget -qO- http://127.0.0.1:8080/ > /dev/null || exit 1