# Install dependencies only when needed
FROM node:18-alpine AS deps
# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
RUN apk add libc6-compat
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 echo "Lockfile not found." && exit 1; \
  fi


# Rebuild the source code only when needed
FROM node:18-alpine 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 \
  NEXT_PUBLIC_HTTP_PROXY=APP_NEXT_PUBLIC_HTTP_PROXY \
  NEXT_PUBLIC_SITE_NAME=APP_NEXT_PUBLIC_SITE_NAME \
  NEXT_PUBLIC_SITE_TITLE=APP_NEXT_PUBLIC_SITE_TITLE \
  NEXT_PUBLIC_SITE_DESCRIPTION=APP_NEXT_PUBLIC_SITE_DESCRIPTION \
  NEXT_PUBLIC_SITE_COLOR=APP_NEXT_NEXT_PUBLIC_SITE_COLOR \
  NEXT_PUBLIC_SITE_URL=APP_NEXT_PUBLIC_SITE_URL \
  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 node:18-alpine AS runner
WORKDIR /app

ENV NODE_ENV production
# Uncomment the following line in case you want to disable telemetry during runtime.
ENV NEXT_TELEMETRY_DISABLED 1

RUN addgroup -g 1001 -S nodejs
RUN adduser -S nextjs -u 1001

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

# 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
COPY --from=builder --chown=nextjs:nodejs /app/entrypoint.sh ./entrypoint.sh

RUN chown -R nextjs:nodejs /app/.next

USER nextjs

EXPOSE 3000

ENV PORT 3000

ENTRYPOINT ["/app/entrypoint.sh"]
CMD ["node", "server.js"]