FROM node:20-alpine AS build

WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

FROM node:20-alpine AS production

WORKDIR /app
ENV NODE_ENV=production
COPY --from=build /app/dist ./dist

# install minimal deps to run node if needed (alpine already has node)
EXPOSE 3000
CMD ["node", "./dist/server/entry.mjs"]

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD wget -qO- http://localhost:3000/ || exit 1