The config file was being truncated first, which created a window during
which it was empty, causing concurrent uses of the `docker` command to
potentially fail with:
WARNING: Error loading config file: /var/lib/jenkins/.docker/config.json: EOF
Error response from daemon: Get https://registry/v2/foo/manifests/latest: no basic auth credentials
Signed-off-by: Benoit Sigoure <tsunanet@gmail.com>
This commit modifies config.json to allow for any proxies allowed in
build-args to be configured. These values will then be used
by default as build-args in docker build.
Signed-off-by: Dave Tucker <dt@docker.com>
Benoit Sigoure
Vincent Demeester
Silvin Lubecki
Daniel Nephin
Jake Sanders
Dave Tucker
Daniel Nephin