#App Router

Black card: Grep the image, not the env. printenv shows runtime.example, curl shows build.example; a grep of .next lights the baked value. Looping GIF.

Next.jsAbdullah Chaudary23 October 20267 min read

NEXT_PUBLIC Env Variable in Docker: Rebuild, Don't Restart

Next.js replaces a NEXT_PUBLIC env variable with a literal at next build, in server code as well as the browser, so restarting a Docker container with a new value changes nothing.

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NEXT_PUBLIC Env Variable in Docker: Rebuild, Don't Restart