NextJS production Dockerfile

Dockerfile

# Install dependencies only when needed
FROM node: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 package-lock.json ./
RUN npm ci 


#################################
# Build
# Rebuild the source code only when needed
FROM node:alpine AS builder
WORKDIR /app
COPY . .
COPY --from=deps /app/node_modules ./node_modules
# RUN yarn build && yarn install --production --ignore-scripts --prefer-offline

# @todo till Webpack fixed that https://github.com/webpack/webpack/issues/14532
ENV NODE_OPTIONS=--openssl-legacy-provider
# add NEXT_PUBLIC_API_URL when building with 
# docker build --build-arg NEXT_PUBLIC_API_URL=http://myApiEndpoint
ARG API_URL
ENV API_URL=$API_URL
ARG NEXT_PUBLIC_API_URL
ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL
RUN npm run build


#################################
# development  
FROM node:alpine as development
WORKDIR /app
ENV NODE_ENV development
COPY --from=deps /app/node_modules ./node_modules
ENV PATH=/app/node_modules/.bin:$PATH
RUN npm install --only development
WORKDIR /app


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

ENV NODE_ENV production

# 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 --chown=nextjs:nodejs /app/.next ./.next
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./package.json

RUN addgroup -g 1001 -S nodejs
RUN adduser -S nextjs -u 1001
RUN chown -R nextjs:nodejs /app/.next

USER nextjs

EXPOSE 5000

# 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.
# ENV NEXT_TELEMETRY_DISABLED 1

CMD ["npm", "run", "start"]