# Stage 1: Install dependencies
FROM node:20-alpine AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app

COPY package.json package-lock.json* ./
RUN npm ci

# Stage 2: Rebuild the source code only when needed
FROM node:20-alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

RUN npx prisma generate
RUN npm run build

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

ENV NODE_ENV=production

# Install prisma CLI globally (same version as project)
RUN npm install -g prisma@6.19.2

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

COPY --from=builder /app/public ./public

RUN mkdir .next
RUN chown nextjs:nodejs .next

# Copy standalone build
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Copy Prisma schema and migrations
COPY --from=builder --chown=nextjs:nodejs /app/prisma ./prisma

# Copy prisma client
COPY --from=builder --chown=nextjs:nodejs /app/node_modules/.prisma ./node_modules/.prisma
COPY --from=builder --chown=nextjs:nodejs /app/node_modules/@prisma/client ./node_modules/@prisma/client

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Entrypoint: run migrations then start
CMD sh -c "echo 'Running migrations...' && prisma migrate deploy && echo 'Starting server...' && node server.js"