# Use the official Node.js runtime as the base image
FROM node:22-alpine AS base

# Install dependencies only when needed
FROM base AS deps
# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
RUN apk update && apk add --no-cache libc6-compat
WORKDIR /app

# Install pnpm globally
RUN corepack enable && corepack prepare pnpm@latest --activate

# Copy package files
COPY package.json pnpm-lock.yaml* pnpm-workspace.yaml* ./
COPY apps/student/package.json ./apps/student/
COPY packages/db/package.json ./packages/db/
COPY packages/ui/package.json ./packages/ui/

# Install dependencies
RUN pnpm install --frozen-lockfile

# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Set environment variables for build
ENV NEXT_TELEMETRY_DISABLED 1
ENV NODE_ENV production

# Build the application
RUN pnpm turbo run build --filter=student...

# Production image, copy all the files and run next
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 the standalone output
COPY --from=builder /app/apps/student/.next/standalone ./
COPY --from=builder /app/apps/student/.next/static ./apps/student/.next/static
COPY --from=builder /app/apps/student/public ./apps/student/public

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

USER nextjs

EXPOSE 3000

ENV PORT 3000
ENV HOSTNAME "0.0.0.0"

# server.js is created by next build from the standalone output
# https://nextjs.org/docs/pages/api-reference/next-config-js/output
CMD ["node", "apps/student/server.js"]