# Build context: ./out  (turbo prune storefront --docker)
# out/json/  — package.json files only   → used by deps stage for layer caching
# out/full/  — full pruned monorepo       → used by builder stage for source
# out/package-lock.json

# ── Stage 1: deps ────────────────────────────────────────────────────────────
# Install ALL dependencies (dev + prod) using only the package.json tree.
# This layer is shared with the builder stage and only rebuilds when
# a package.json or the lock file changes — not when source code changes.
FROM node:20-alpine AS deps

RUN apk add --no-cache libc6-compat
WORKDIR /app

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

# ── Stage 2: builder ─────────────────────────────────────────────────────────
# Full monorepo source + build artifact.
# next build produces .next/standalone/ because output: "standalone" is set
# in next.config.js — that's what makes the runner stage small.
FROM node:20-alpine AS builder

WORKDIR /app

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

ENV NEXT_TELEMETRY_DISABLED=1

RUN npx turbo build --filter=storefront

# ── Stage 3: runner ──────────────────────────────────────────────────────────
# Minimal runtime image — only the standalone bundle, static assets, and public dir.
# No source code, no dev dependencies, no build tools.
FROM node:20-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production \
    NEXT_TELEMETRY_DISABLED=1 \
    HOSTNAME=0.0.0.0 \
    PORT=3000

# Non-root user for security
RUN addgroup -g 1001 -S nodejs && adduser -S nextjs -u 1001

# standalone output mirrors the monorepo tree, so server.js lands at /app/server.js
# Static files and public/ must be copied separately — they are not in standalone/
COPY --from=builder --chown=nextjs:nodejs /app/apps/storefront/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/apps/storefront/.next/static ./apps/storefront/.next/static
COPY --from=builder --chown=nextjs:nodejs /app/apps/storefront/public ./apps/storefront/public

USER nextjs

EXPOSE 3000

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