# ── builder: Next.js production build ────────────────────────────────────────
FROM node:22-bookworm-slim AS builder
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci
COPY . .
RUN npm run build

# ── backend-build: compile backend TypeScript to JS (better-sqlite3 build) ───
FROM node:22-bookworm-slim AS backend-build
RUN apt-get update && apt-get install -y --no-install-recommends python3 make g++ && \
    rm -rf /var/lib/apt/lists/*
WORKDIR /app
COPY backend/package.json backend/package-lock.json* ./backend/
COPY backend/tsconfig.json ./backend/
RUN cd backend && npm ci
COPY backend/src ./backend/src
COPY lib ./lib
RUN cd backend && npm run build

# ── backend-prod-deps: production-only node_modules (omits tsc/tsx) ──────────
FROM node:22-bookworm-slim AS backend-prod-deps
RUN apt-get update && apt-get install -y --no-install-recommends python3 make g++ && \
    rm -rf /var/lib/apt/lists/*
WORKDIR /app/backend
COPY backend/package.json backend/package-lock.json* ./
RUN npm ci --omit=dev

# ── web ──────────────────────────────────────────────────────────────────────
# Minimal Next.js standalone runner. No database, no native modules.
FROM node:22-bookworm-slim AS web
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nextjs

COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
COPY --from=builder --chown=nextjs:nodejs /app/public ./public

USER nextjs
EXPOSE 3000
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"
CMD ["node", "server.js"]

# ── backend ──────────────────────────────────────────────────────────────────
# Hono API server + node-cron scheduler. Owns the SQLite database exclusively.
# Runs compiled JS (no tsx/tsc at runtime).
FROM node:22-bookworm-slim AS backend
WORKDIR /app

ENV NODE_ENV=production

RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nextjs

COPY --from=backend-prod-deps --chown=nextjs:nodejs /app/backend/node_modules ./backend/node_modules
COPY --from=backend-build --chown=nextjs:nodejs /app/backend/dist ./backend/dist
COPY --chown=nextjs:nodejs backend/package.json ./backend/package.json

RUN mkdir -p /app/backend/data && chown nextjs:nodejs /app/backend/data
VOLUME ["/app/backend/data"]

USER nextjs
EXPOSE 3001
ENV PORT=3001

WORKDIR /app/backend
CMD ["node", "dist/backend/src/index.js"]