# 1. Base image
FROM node:20-alpine AS base

# 2. Dependencies
FROM base AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app

# Install dependencies based on the preferred package manager
COPY package.json package-lock.json* ./
RUN npm ci --legacy-peer-deps


# 3. Builder
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Environment variables must be present at build time for Next.js
# Coolify will provide these, but we can set defaults
ENV NEXT_TELEMETRY_DISABLED=1
ENV DATABASE_URL="postgresql://dummy:dummy@localhost:5432/dummy"

# Generate Prisma Client
RUN npx prisma generate

RUN npm run build

# 4. Runner
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

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

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

# Set the correct permission for prerender cache
RUN mkdir .next
RUN chown nextjs:nodejs .next

# Automatically leverage output traces to reduce image size
# https://nextjs.org/docs/advanced-features/output-file-tracing
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER nextjs

EXPOSE 3000

ENV PORT=3000
# set hostname to localhost
ENV HOSTNAME="0.0.0.0"

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