Instead of `curl $url | apt-get add -` use the ubuntu keyserver and a full
fingerprint to retreive the key. This makes the distribution of the GPG key
more secure an less likely to change even if 3rd party gains access to the
packages repository.
Docker-DCO-1.0-Signed-off-by: Jonas Pfenniger <zimbatm@zimbatm.com> (github: zimbatm)
Upstream-commit: 13ebc68636f922e799d71792748934b8883d2f1f
Component: engine
Whether or not the "busybox" image downloads and runs properly at the end of the build, we don't want to have the script return a failing exit code, especially since at that point, Docker is successfully installed, and we're just tooting our own horn for good measure.
Upstream-commit: fc197188d7f4098b6035d0e13031431871a2dc95
Component: engine
