Update docker image to leverage output traces (#32258)
This updates our docker example to leverage the output traces and standalone build to reduce the resulting docker image quite a bit. docker image size before: `272MB` docker image size after: `121MB` node-14:alpine size (base image): `118MB` ## Documentation / Examples - [x] Make sure the linting passes by running `yarn lint` x-ref: https://github.com/vercel/next.js/pull/32255 x-ref: https://github.com/vercel/next.js/issues/32252 x-ref: https://github.com/vercel/next.js/issues/30822
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2 changed files with 11 additions and 3 deletions
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@ -25,10 +25,13 @@ RUN adduser -S nextjs -u 1001
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# You only need to copy next.config.js if you are NOT using the default configuration
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# COPY --from=builder /app/next.config.js ./
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COPY --from=builder /app/public ./public
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COPY --from=builder --chown=nextjs:nodejs /app/.next ./.next
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COPY --from=builder /app/node_modules ./node_modules
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COPY --from=builder /app/package.json ./package.json
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# Automatically leverage output traces to reduce image size
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# https://nextjs.org/docs/advanced-features/output-file-tracing
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COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
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COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
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USER nextjs
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EXPOSE 3000
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@ -40,4 +43,4 @@ ENV PORT 3000
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# Uncomment the following line in case you want to disable telemetry.
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# ENV NEXT_TELEMETRY_DISABLED 1
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CMD ["node_modules/.bin/next", "start"]
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CMD ["node", "server.js"]
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5
examples/with-docker/next.config.js
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5
examples/with-docker/next.config.js
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@ -0,0 +1,5 @@
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module.exports = {
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experimental: {
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outputStandalone: true,
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},
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}
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