# ──────────────────────────────────────────────
# Stage 1: install dependencies
# ──────────────────────────────────────────────
FROM node:22-alpine AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app

COPY package*.json ./
RUN npm ci

# ──────────────────────────────────────────────
# Stage 2: build
# ──────────────────────────────────────────────
FROM node:22-alpine AS builder
WORKDIR /app

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

# Public env vars must be present at build time (baked into client bundle)
ARG NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY
ARG NEXT_PUBLIC_SUPABASE_URL
ENV NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY=$NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY
ENV NEXT_PUBLIC_SUPABASE_URL=$NEXT_PUBLIC_SUPABASE_URL

ENV NEXT_TELEMETRY_DISABLED=1

RUN npx prisma generate
RUN npm run build

# ──────────────────────────────────────────────
# Stage 3: production image
# ──────────────────────────────────────────────
FROM node:22-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 the standalone output (includes node_modules tree-shaken to minimum)
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"]