linux - Docker - How to check if curl command inside Dockerfile had response code 200 -

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inside dockerfile try download artifact using curl. have checked although artifact doesn't exist (thus getting 404) docker build keeps running.

run curl -h 'cache-control: no-cache' ${standalone_location} -o $jboss_home/standalone/configuration/standalone.xml

is there way check curl response code 200 , throw error otherwise?

you can add -f (or --fail) curl call, causes curl silently fail on server errors. curl manpage:

-f/--fail

(http) fail silently (no output @ all) on server errors. done better enable scripts etc better deal failed attempts. in normal cases when http server fails deliver document, returns html document stating (which describes why , more). flag prevent curl outputting , return error 22.

this method not fail-safe , there occasions non-successful response codes slip through, when authentication involved (response codes 401 , 407).


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