• syntax=docker/dockerfile:1
• Use the official Node.js runtime as the base image
• Install dependencies only when needed
• Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
• Install depenadencies based on the preferred package manager
• Development image for hot reloading
• Rebuild the source code only when needed
• Generate Prisma client
• 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
• Production image, copy all the files and run next
• Uncomment the following line in case you want to disable telemetry during runtime.
• ENV NEXT_TELEMETRY_DISABLED 1
• Set the correct permission for prerender cache
• Copy Prisma files and generated client
• Automatically leverage output traces to reduce image size
• https://nextjs.org/docs/advanced-features/output-file-tracing
• set hostname to localhost
• server.js is created by next build from the standalone output
• https://nextjs.org/docs/pages/api-reference/next-config-js/output

§syntax=docker/dockerfile:1

§Use the official Node.js runtime as the base image

FROM node:18-alpine 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 apk add –no-cache libc6-compat openssl WORKDIR /app

§Install depenadencies based on the preferred package manager

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

§Development image for hot reloading

FROM base AS development WORKDIR /app RUN apk add –no-cache openssl postgresql-client COPY package.json package-lock.json* ./ RUN npm install COPY . . RUN npx prisma generate EXPOSE 3000 CMD [“npm”, “run”, “dev”]

§Rebuild the source code only when needed

FROM base AS builder WORKDIR /app RUN apk add –no-cache openssl COPY –from=deps /app/node_modules ./node_modules COPY . .

§Generate Prisma client

RUN npx prisma generate

§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 npm run build

§Production image, copy all the files and run next

FROM base 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 apk add –no-cache openssl RUN addgroup –system –gid 1001 nodejs RUN adduser –system –uid 1001 nextjs

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

§Set the correct permission for prerender cache

RUN mkdir .next RUN chown nextjs:nodejs .next

§Copy Prisma files and generated client

COPY –from=builder /app/prisma ./prisma COPY –from=builder /app/node_modules/.prisma ./node_modules/.prisma COPY –from=builder /app/node_modules/@prisma ./node_modules/@prisma

§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

USER nextjs

EXPOSE 3000

ENV PORT 3000

§set hostname to localhost

ENV HOSTNAME “0.0.0.0”

§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”]