FROM node:20-alpine AS dependencies
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci

FROM node:20-alpine AS builder
WORKDIR /app
COPY --from=dependencies /app/node_modules ./node_modules
COPY . .

ARG NEXT_PUBLIC_BOOKING_URL
ARG NEXT_PUBLIC_CONTACT_EMAIL
ARG NEXT_PUBLIC_SHOW_ERASTEEL_METRICS=false

ENV NEXT_PUBLIC_BOOKING_URL=$NEXT_PUBLIC_BOOKING_URL
ENV NEXT_PUBLIC_CONTACT_EMAIL=$NEXT_PUBLIC_CONTACT_EMAIL
ENV NEXT_PUBLIC_SHOW_ERASTEEL_METRICS=$NEXT_PUBLIC_SHOW_ERASTEEL_METRICS

RUN npm run build

FROM node:20-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV PORT=3000
ENV HOSTNAME=0.0.0.0

RUN addgroup --system --gid 1001 nodejs \
  && adduser --system --uid 1001 nextjs

COPY --from=builder --chown=nextjs:nodejs /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER nextjs
EXPOSE 3000

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD wget -qO- http://127.0.0.1:3000/api/health || exit 1

CMD ["node", "server.js"]