# ── Stage 1: Dependencies ──
FROM node:24.15.0-alpine3.23 AS deps
WORKDIR /app
COPY package.json package-lock.json ./
COPY prisma ./prisma/
RUN npm ci

# ── Stage 2: Build ──
FROM node:24.15.0-alpine3.23 AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
# Dummy env vars for build (Next.js evaluates modules at build time)
ENV VOTER_PEPPER=build-placeholder
ENV ADMIN_SECRET=build-placeholder
ENV DATABASE_URL=postgresql://localhost:5432/placeholder
RUN npx prisma generate && npm run build

# ── Stage 3: Production (Next.js server) ──
FROM node:24.15.0-alpine3.23 AS runner
WORKDIR /app
ENV NODE_ENV=production
RUN addgroup --system --gid 1001 nodejs && adduser --system --uid 1001 nextjs

# Prisma CLI + schema for db push at startup
COPY --from=deps /app/node_modules ./node_modules
COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
COPY --from=builder /app/prisma ./prisma
COPY --from=builder /app/prisma.config.ts ./prisma.config.ts
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/tsconfig.json ./tsconfig.json

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

COPY docker/entrypoint.sh ./docker/entrypoint.sh

EXPOSE 3000
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"
CMD ["sh", "docker/entrypoint.sh"]

# ── Stage 4: Worker ──
FROM node:24.15.0-alpine3.23 AS worker
WORKDIR /app
ENV NODE_ENV=production

COPY --from=deps /app/node_modules ./node_modules
COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
COPY --from=builder /app/lib ./lib
COPY --from=builder /app/worker.ts ./worker.ts
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/tsconfig.json ./tsconfig.json

COPY docker/worker-entrypoint.sh ./docker/worker-entrypoint.sh

CMD ["sh", "docker/worker-entrypoint.sh"]
