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

# Install dependencies (including native build tools for argon2)
RUN apk add --no-cache python3 make g++
COPY package.json package-lock.json ./
COPY prisma ./prisma
RUN npm ci

# ---- Stage 2: Builder ----
FROM node:20-alpine AS builder
RUN apk add --no-cache libc6-compat
WORKDIR /app

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

# Generate Prisma Client for linux-musl (Alpine)
RUN npm exec prisma generate

# Build the Next.js application (standalone output)
RUN npm run build

# ---- Stage 3: Runner ----
FROM node:20-alpine AS runner
RUN apk add --no-cache libc6-compat
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

# Create non-root user
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

# Copy the standalone server output
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./

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

# Copy public folder (uploads will be volume-mounted)
COPY --from=builder --chown=nextjs:nodejs /app/public ./public

# Ensure uploads directory exists and is owned by nextjs for the volume mount
# We do this as root before switching users
RUN mkdir -p /app/public/uploads && chown -R nextjs:nodejs /app/public/uploads

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

# Copy generated Prisma Client
COPY --from=builder --chown=nextjs:nodejs /app/src/generated ./src/generated

USER nextjs

EXPOSE 3000
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

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