asked 2 months ago
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My Dockerfile is the naive one: copy everything, npm install, npm run build, npm start. The resulting image is over a gigabyte, which makes deploys painfully slow.
Two changes do most of the work: a multi-stage build, and Next's standalone output.
Set this in next.config.ts:
Then only copy the traced runtime into a slim final stage:
That typically lands around 150MB. Add a .dockerignore with node_modules and .next so the build context stays small too.
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