Dockerfile

# Install dependencies only when needed
FROM node:18.12.1-alpine AS deps
# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
RUN apk add --no-cache libc6-compat
WORKDIR /app
COPY package.json yarn.lock ./

RUN apk --no-cache add chromium

ENV PUPPETEER_SKIP_DOWNLOAD=true
ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium-browser

RUN yarn install --frozen-lockfile --network-timeout 100000

# Rebuild the source code only when needed
FROM node:18.12.1-alpine AS builder
WORKDIR /app
COPY . .
COPY --from=deps /app/node_modules ./node_modules

RUN yarn build

# Production image, copy all the files and run next
FROM node:18.12.1-alpine AS runner
WORKDIR /app

ENV NODE_ENV production
ENV IS_WORKER true
ENV PUPPETEER_SKIP_DOWNLOAD=true
ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium-browser
ENV NODE_OPTIONS='--max_old_space_size=2048'

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

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 --chown=nextjs:nodejs /app/.next/standalone ./
#COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

RUN apk --no-cache add curl
RUN apk --no-cache add chromium

USER nextjs

EXPOSE 4000

ENV PORT 4000

CMD node server.js --unhandled-rejections=warn