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update Dockerfile to build distroless image #951

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update Dockerfile to build distroless image #951

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5b187f6
update Dockerfile to build distroless image
borja-rivera Jul 16, 2025
47403d3
add CADENCE_WEB_HOSTNAME
borja-rivera Jul 17, 2025
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21 changes: 9 additions & 12 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -41,31 +41,28 @@ RUN npm run build
RUN npm run build-standalone
RUN npm run post-build-standalone

# Production image, copy all the files and run next
FROM base AS runner
# Production image as distroless, copy all the files and run next
FROM gcr.io/distroless/nodejs18:nonroot 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 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

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

USER nextjs
ENV CADENCE_WEB_PORT=8088
ENV CADENCE_WEB_HOSTNAME=0.0.0.0

EXPOSE 8088

CMD ["sh","-c", "CADENCE_WEB_PORT=${CADENCE_WEB_PORT:-8088} CADENCE_WEB_HOSTNAME=${CADENCE_WEB_HOSTNAME:-0.0.0.0} exec node server.js"]
CMD ["server.js"]