# ── Stage 1: Install dependencies ─────────────────────────────────────
FROM node:20-alpine AS deps
WORKDIR /app

# Copy package.json AND prisma schema (postinstall needs schema)
COPY package.json ./
COPY prisma ./prisma/

# Install deps without scripts (prisma generate runs in builder stage)
RUN npm install --ignore-scripts 2>/dev/null

# ── Stage 2: Build the Next.js app ────────────────────────────────────
FROM node:20-alpine AS builder
WORKDIR /app

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

# Generate Prisma client then build
RUN npx prisma generate
RUN npm run build

# ── Stage 3: Production ───────────────────────────────────────────────
FROM node:20-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV PORT=7860
ENV HOSTNAME="0.0.0.0"

# Create db directory for SQLite
RUN mkdir -p /app/db

# Copy standalone output
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public

# Copy Prisma schema + engine for db push on startup
COPY --from=builder /app/prisma ./prisma
COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
COPY --from=builder /app/node_modules/@prisma ./node_modules/@prisma
COPY --from=builder /app/node_modules/prisma ./node_modules/prisma

EXPOSE 7860

# Entrypoint: init DB then start server
RUN printf '#!/bin/sh\nnpx prisma db push --skip-generate 2>&1 || true\nexec node /app/server.js\n' > /app/entrypoint.sh \
    && chmod +x /app/entrypoint.sh

CMD ["/app/entrypoint.sh"]