fix(builder): pass in http_proxy env variables from host

Author: wbean1

builder/systemd/deis-builder.service

@@ -8,7 +8,7 @@ EnvironmentFile=/etc/environment
 TimeoutStartSec=20m
 ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/builder`; docker history $IMAGE >/dev/null 2>&1 || docker pull $IMAGE"
 ExecStartPre=/bin/sh -c "docker inspect deis-builder >/dev/null 2>&1 && docker rm -f deis-builder || true"
-ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/builder` && docker run --name deis-builder --rm -p 2223:22 -e PUBLISH=22 -e HOST=$COREOS_PRIVATE_IPV4 -e PORT=2223 --volumes-from deis-builder-data --privileged $IMAGE"
+ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/builder` && docker run --name deis-builder --rm -p 2223:22 -e HTTP_PROXY=$HTTP_PROXY -e http_proxy=$http_proxy -e HTTPS_PROXY=$HTTPS_PROXY -e https_proxy=$https_proxy -e ALL_PROXY=$ALL_PROXY -e all_proxy=$all_proxy -e NO_PROXY=$NO_PROXY -e no_proxy=$no_proxy -e PUBLISH=22 -e HOST=$COREOS_PRIVATE_IPV4 -e PORT=2223 --volumes-from deis-builder-data --privileged $IMAGE"
 ExecStartPost=/bin/sh -c "echo 'Waiting for builder on 2223/tcp...' && until cat </dev/null>/dev/tcp/$COREOS_PRIVATE_IPV4/2223; do sleep 1; done"
 ExecStopPost=/usr/bin/docker stop deis-builder