# Dependencies stage
FROM node:26-alpine AS deps

WORKDIR /app

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

# Build stage
FROM node:26-alpine AS builder

WORKDIR /app

COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Baked in at build time: NEXT_PUBLIC_* values are inlined into the client
# bundle. SITE_API is the browser-reachable URL of sitesvc, which serves both
# forms. It is effectively required: leave it empty and both forms report they
# are not connected rather than submitting anywhere. Must be an origin the
# browser can reach (not the internal sitesvc:8082) and be listed in sitesvc's
# SITE_ORIGIN for CORS.
ARG NEXT_PUBLIC_SITE_API=""
ARG NEXT_PUBLIC_CONTACT_EMAIL="support@hostxtra.co.uk"
ENV NEXT_PUBLIC_SITE_API=$NEXT_PUBLIC_SITE_API
ENV NEXT_PUBLIC_CONTACT_EMAIL=$NEXT_PUBLIC_CONTACT_EMAIL

RUN npm run build

# Runtime stage
FROM node:26-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

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

COPY --from=builder /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
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

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