Dockerfile

# Install dependencies only when needed
FROM node:18.12.0-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

# Install dependencies based on the preferred package manager
COPY package.json package-lock.json* ./
RUN npm ci

# Rebuild the source code only when needed
FROM node:18.12.0-alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

ARG NODE_ENV production
ARG NEXT_PUBLIC_APP_URL
ARG NEXT_PUBLIC_FORMS_URL_PUBLISH
ARG NEXT_PUBLIC_FORMS_URL_SUBMIT
ARG NEXT_PUBLIC_BLOBSERVICECLIENT_URL
ARG NEXT_PUBLIC_CONTAINER_NAME "uploads"
ARG NEXT_PUBLIC_AZURE_STORAGE_ACCOUNT_NAME
ARG NEXT_PUBLIC_FOOTER_COPYRIGHT

ENV NEXT_TELEMETRY_DISABLED 1

RUN npm run 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:18.12.0-alpine AS runner
WORKDIR /app

ARG NODE_ENV production
ENV NEXT_TELEMETRY_DISABLED 1

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

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

USER nextjs

EXPOSE 3000

ENV PORT 3000

CMD ["node", "server.js"]