FROM node:20-alpine AS base

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

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

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

# Build arguments for environment variables (injected by Coolify)
ARG NEXT_PUBLIC_APPWRITE_ENDPOINT
ARG NEXT_PUBLIC_APPWRITE_PROJECT_ID
ARG APPWRITE_API_KEY
ARG APPWRITE_DATABASE_ID

ENV NEXT_PUBLIC_APPWRITE_ENDPOINT=$NEXT_PUBLIC_APPWRITE_ENDPOINT
ENV NEXT_PUBLIC_APPWRITE_PROJECT_ID=$NEXT_PUBLIC_APPWRITE_PROJECT_ID
ENV APPWRITE_API_KEY=$APPWRITE_API_KEY
ENV APPWRITE_DATABASE_ID=$APPWRITE_DATABASE_ID

# Next.js collects anonymous telemetry data - disable it
ENV NEXT_TELEMETRY_DISABLED=1

RUN npm run build

# Production image - copy only necessary files
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 public folder if exists (optional in this project)
# COPY --from=builder /app/public ./public

# Set correct permissions 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

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

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