Dockerfile

# ── Stage 1: Dependencies ────────────────────────────────
FROM node:20-alpine AS deps

RUN apk add --no-cache libc6-compat
RUN corepack enable && corepack prepare pnpm@9 --activate

WORKDIR /app

COPY package.json pnpm-lock.yaml ./
RUN pnpm install --frozen-lockfile

# ── Stage 2: Builder ────────────────────────────────────
# Also used directly by docker-compose migrate/seed (target: builder)
# so pnpm + node_modules + source must all be available.
FROM node:20-alpine AS builder

RUN apk add --no-cache libc6-compat
RUN corepack enable && corepack prepare pnpm@9 --activate

WORKDIR /app

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

ENV NEXT_TELEMETRY_DISABLED=1
ENV NODE_ENV=production

RUN pnpm build

# ── Stage 3: Runner (production) ────────────────────────
FROM node:20-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 standalone server + static assets + public (public may not exist)
RUN mkdir -p ./public
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static

# Create uploads directory with correct permissions
RUN mkdir -p /app/uploads && chown nextjs:nodejs /app/uploads

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

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