Dockerfile

FROM node:20-alpine AS base
  ENV PNPM_HOME="/pnpm"
  ENV PATH="$PNPM_HOME:$PATH"
  RUN npm install -g pnpm && pnpm add -g turbo

FROM base AS builder
  RUN apk add --no-cache libc6-compat
  RUN apk update
  WORKDIR /app
  COPY . .
  RUN turbo prune @myapp/merlin --docker
  RUN rm -rf /app/out/full/*/*/node_modules

# Add lockfile and package.json's of isolated subworkspace
FROM base AS installer
  RUN apk add --no-cache libc6-compat
  RUN apk update
  WORKDIR /app

  # First install the dependencies (as they change less often)
  COPY .gitignore .gitignore
  COPY --from=builder /app/out/json/ .
  COPY --from=builder /app/out/pnpm-lock.yaml ./pnpm-lock.yaml
  RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install

  # Build the project
  COPY --from=builder /app/out/full/ .
  RUN turbo run build --filter=@myapp/merlin

  ENV SKIP_ENV_VALIDATION=

FROM base AS runner
  WORKDIR /app
  RUN npm i -g --arch=x64 --platform=linux --libc=glibc [email protected]

  # Don't run production as root
  RUN addgroup --system --gid 1001 nodejs
  RUN adduser --system --uid 1001 nextjs
  USER nextjs

  EXPOSE 3000
  ENV PORT 3000
  ENV HOSTNAME 0.0.0.0

  COPY --from=installer /app/apps/nextjs/next.config.mjs .
  COPY --from=installer /app/apps/nextjs/package.json .

  # Automatically leverage output traces to reduce image size
  # https://nextjs.org/docs/advanced-features/output-file-tracing
  COPY --from=installer --chown=nextjs:nodejs /app/apps/nextjs/.next/standalone .
  COPY --from=installer --chown=nextjs:nodejs /app/apps/nextjs/.next/static ./apps/nextjs/.next/static
  COPY --from=installer --chown=nextjs:nodejs /app/apps/nextjs/public ./apps/nextjs/public

  ENV NEXT_SHARP_PATH=/usr/local/lib/node_modules/sharp

  # Copy migrations over
  COPY apps/nextjs/src/server/db/migrations /app/apps/nextjs/src/server/db/migrations

  CMD node apps/nextjs/server.js