startup-script: Adjust ca-certificates install to only copy certs #284
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This commit adjusts the method in which
ca-certificates
is installed into the startup-script image. Theca-certificates
package has a dependency on OpenSSL, which unnecessarily increases the attack surface of the image, since the image's only functionality is fully contained inmanage-startup-script.sh
and the script makes no network connections. The package could theoretically be removed, but as a precaution, the root certificates from theca-certificates
package are copied in to the image using the same method as is used in the Cilium Operator image.