Dockerfile.prod

FROM node:18 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 apt-get update &&  apt-get install -y libc6 
WORKDIR /app


# Install dependencies based on the preferred package manager
COPY /ui/package.json  /ui/package-lock.json  ./ui/
COPY /contracts/package.json  /contracts/package-lock.json  ./contracts/
COPY /localdata/package.json  /localdata/package-lock.json  ./localdata/


WORKDIR /app/ui
RUN  echo "install ui package"
RUN \
  if [ -f package-lock.json ]; then npm ci --force;  \
  else echo "Lockfile ui not found." && exit 1; \
  fi

WORKDIR /app/contracts
RUN  echo "install contracts package"
RUN \
  if [ -f package-lock.json ]; then npm ci --force;  \
  else echo "Lockfile contracts not found." && exit 1; \
  fi

WORKDIR /app/localdata
RUN  echo "install localdata package"
RUN \
  if [ -f package-lock.json ]; then npm ci --force;  \
  else echo "Lockfile  localdata not found." && exit 1; \
  fi


# Rebuild the source code only when needed
FROM base AS builder

WORKDIR /app

ENV NODE_ENV production

COPY --from=deps /app/ui/node_modules ./ui/node_modules
COPY --from=deps /app/contracts/node_modules ./contracts/node_modules
COPY --from=deps /app/localdata/node_modules ./localdata/node_modules
COPY . .

# build contracts cache
WORKDIR /app/contracts
RUN npm run build-cache

# build nextjs cache
WORKDIR /app/ui
RUN npm run build

#localstorage don't need build

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

# Utility
RUN npm install -g zkapp-cli
RUN npm install pm2 -g

WORKDIR /localdata
COPY --from=builder /app/localdata/ .

# This is not a starndard solution break the principile of single service for container
# but for a poc it's acceptable
RUN pm2 start node_modules/experimental-offchain-zkapp-storage/build/src/server/storageServer.js --name "tree storage"

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

COPY --from=builder /app/ui/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
# https://nextjs.org/docs/advanced-features/output-file-tracing
COPY --from=builder --chown=nextjs:nodejs /app/ui/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/ui/.next/static ./.next/static

USER nextjs

EXPOSE 3000

ENV PORT 3000
# set hostname to localhost
ENV HOSTNAME "0.0.0.0"
# https://medium.com/@csrinu236/deploying-next-js-applications-using-the-nginx-server-1-2-72f8c44ed9aa
# server.js is created by next build from the standalone output
# https://nextjs.org/docs/pages/api-reference/next-config-js/output
CMD ["node", "server.js"]