# Next.js Optimized Dockerfile with Dynamic Build Args
# Auto-generated for {{ app_name }}
# Node.js Version: {{ node_version }}
# Package Manager: {{ package_manager }}

# ============================================================================
# Build arguments - Base Configuration
# ============================================================================
ARG NODE_VERSION={{ node_version }}
ARG PACKAGE_MANAGER={{ package_manager }}
ARG BUILD_COMMAND={{ build_command }}
ARG START_COMMAND={{ start_command }}
ARG APP_PORT={{ framework_settings_port }}
ARG NODE_ENV=production
ARG APP_VERSION={{ docker_image_tag }}
ARG FRAMEWORK=nextjs

# ============================================================================
# Base stage - Alpine for smaller size
# ============================================================================
FROM gitlab.forlife.one:5050/share/node:${NODE_VERSION}-alpine AS base

# Install dependencies
RUN apk add --no-cache \
    libc6-compat \
    python3 \
    make \
    g++ curl
    
# Install dependencies only when needed
FROM base AS deps

WORKDIR /app

# Install dependencies based on the preferred package manager
COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
RUN \
  if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
  elif [ -f package-lock.json ]; then npm ci; \
  elif [ -f pnpm-lock.yaml ]; then yarn global add pnpm && pnpm i --frozen-lockfile; \
  else {{ package_manager }} install; \
  fi

#RUN {{ package_manager }} install

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

# Next.js collects completely anonymous telemetry data about general usage.
# Learn more here: https://nextjs.org/telemetry
# Uncomment the following line in case you want to disable telemetry during the build.
# ENV NEXT_TELEMETRY_DISABLED=1

RUN yarn build

# If using npm comment out above and use below instead
# RUN npm run build

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

ENV NODE_ENV=production
# Uncomment the following line in case you want to disable telemetry during runtime.
# ENV NEXT_TELEMETRY_DISABLED=1
ENV NODE_OPTIONS="--max-old-space-size={{ MEMORY_LIMIT_MB }}"


# Create health check script
RUN echo '#!/bin/sh\n\
status=$(curl -s -o /dev/null -w "%{http_code}" http://localhost:${APP_PORT}/health)\n\
if [ "$status" -eq 200 ] || [ "$status" -eq 404 ]; then exit 0; fi\n\
\n\
status=$(curl -s -o /dev/null -w "%{http_code}" http://localhost:${APP_PORT}/)\n\
if [ "$status" -eq 200 ] || [ "$status" -eq 404 ]; then exit 0; fi\n\
\n\
exit 1' > /health-check.sh && \
    chmod +x /health-check.sh

# You only need to copy next.config.js if you are NOT using the default configuration
# COPY --from=builder /app/next.config.js ./
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json

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

EXPOSE 3000

ENV HOSTNAME=0.0.0.0
ENV PORT=3000
ENV APP_PORT=3000

# Health check
#HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 CMD /health-check.sh
  
#CMD ["node", "server.js"]
CMD {{ RUN_CMD }}