# Multi-stage build for PolyNote (Next.js 15 + pnpm)
FROM node:24-bookworm-slim AS base
ENV PNPM_HOME="/pnpm"
ENV PNPM_STORE_DIR="/pnpm/store"
ENV PATH="$PNPM_HOME:$PATH"
RUN corepack enable
WORKDIR /app

# Install dependencies
FROM base AS deps
COPY package.json pnpm-lock.yaml ./
RUN --mount=type=cache,id=pnpm-store,target=/pnpm/store \
    pnpm install --frozen-lockfile

# Build the app
FROM base AS builder
ENV NODE_ENV=production
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN --mount=type=cache,id=pnpm-store,target=/pnpm/store \
    NEXT_DISABLE_ESLINT=1 pnpm exec next build

# Production image
FROM node:24-bookworm-slim AS runner
ENV NODE_ENV=production
ENV PORT=3000
ENV HOSTNAME=0.0.0.0
WORKDIR /app

COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json

EXPOSE 3000

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