FROM node:20-alpine AS base

# Install dependencies only when needed
FROM base AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app

# Install dependencies
COPY package.json package-lock.json* ./
RUN npm install

# Generate Prisma Client
COPY prisma ./prisma/
RUN npx prisma generate

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

# Ensure public directory exists
RUN mkdir -p public

# Next.js telemetry
ENV NEXT_TELEMETRY_DISABLED=1

RUN npm run build

# Production image, copy all the files and run next
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

# Install Docker CLI for spawning provisioning containers
RUN apk add --no-cache docker-cli

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

# Add nextjs user to docker group for socket access
# Note: The actual docker group GID might differ - using 999 as common default
RUN addgroup -g 999 docker || true
RUN addgroup nextjs docker || true

# Create jobs and logs directories for provisioning
RUN mkdir -p /app/jobs /app/logs
RUN chown -R nextjs:nodejs /app/jobs /app/logs

# Create public directory and copy contents if they exist
RUN mkdir -p public
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
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Copy Prisma (client, CLI, and config)
COPY --from=deps /app/node_modules/.prisma ./node_modules/.prisma
COPY --from=deps /app/node_modules/@prisma ./node_modules/@prisma
COPY --from=deps /app/node_modules/prisma ./node_modules/prisma
COPY --from=deps /app/node_modules/.bin/prisma ./node_modules/.bin/prisma
COPY prisma ./prisma/

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

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