After successfull deployments, new one failed with error message

13:28:20 INFO[0020] Found cached layer, extracting to filesystem 
 13:28:20 error building image: error building stage: failed to execute command: extracting fs from image: removing whiteout .wh.tmp: unlinkat //tmp: device or resource busy
 13:28:20 exit status 1
 13:28:20  ! Build failed (exit code 1) 

There weren’t any changes to dockerfile in project. How it could be fixed?

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2 answers

Based on the Dockerfile reference, you can specify a port in one of two ways:

ENV <key> <value>
ENV <key>=<value> …
Because you have spaces around =, Docker thinks you’re using the first form where your key is PORT and your value is = 8000 (which is not a number and probably why Cloud Run isn’t working).

To fix it, either specify the port without spaces (ENV PORT=8000) or without an equals sign (ENV PORT 8000).

This looks like an internal bug. I’m an engineer on our App Platform team and have filed a ticket to track this internally. In the mean time I recommend triggering a rebuild by using the “Deploy” button in the top right.

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